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Math Problems
Grade 7
Add and subtract like terms: with exponents
Simplify the expression:
\newline
d
+
2
d
+
d
d + 2d + d
d
+
2
d
+
d
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Simplify the expression:
\newline
10
x
−
3
x
+
7
x
10x - 3x + 7x
10
x
−
3
x
+
7
x
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Simplify the expression:
\newline
6
u
−
8
u
+
3
u
6u - 8u + 3u
6
u
−
8
u
+
3
u
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Simplify the expression:
\newline
9
d
2
+
10
d
2
−
10
d
2
9d^2 + 10d^2 - 10d^2
9
d
2
+
10
d
2
−
10
d
2
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Simplify the expression:
\newline
6
d
2
+
8
d
2
6d^2 + 8d^2
6
d
2
+
8
d
2
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Simplify the expression:
\newline
4
q
2
+
4
q
2
−
7
q
2
4q^2 + 4q^2 - 7q^2
4
q
2
+
4
q
2
−
7
q
2
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Simplify the expression:
\newline
6
c
2
+
2
c
2
+
c
2
6c^2 + 2c^2 + c^2
6
c
2
+
2
c
2
+
c
2
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Simplify the expression:
\newline
z
+
10
z
+
7
z
z + 10z + 7z
z
+
10
z
+
7
z
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Simplify the expression:
\newline
6
c
+
2
c
−
2
c
6c + 2c - 2c
6
c
+
2
c
−
2
c
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Simplify the expression:
\newline
6
p
2
−
9
p
2
+
10
p
2
6p^2 - 9p^2 + 10p^2
6
p
2
−
9
p
2
+
10
p
2
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Simplify the expression:
\newline
w
+
10
w
+
6
w
w + 10w + 6w
w
+
10
w
+
6
w
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Simplify the expression:
\newline
8
m
2
+
3
m
2
8m^2 + 3m^2
8
m
2
+
3
m
2
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Simplify the expression:
\newline
s
2
−
s
2
+
9
s
2
s^2 - s^2 + 9s^2
s
2
−
s
2
+
9
s
2
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Simplify the expression:
\newline
4
n
2
+
8
n
2
+
5
n
2
4n^2 + 8n^2 + 5n^2
4
n
2
+
8
n
2
+
5
n
2
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Simplify the expression:
\newline
7
t
2
+
4
t
2
7t^2 + 4t^2
7
t
2
+
4
t
2
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Simplify the expression:
\newline
3
p
2
+
5
p
2
−
5
p
2
3p^2 + 5p^2 - 5p^2
3
p
2
+
5
p
2
−
5
p
2
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Simplify the expression:
\newline
9
s
2
+
5
s
2
+
s
2
9s^2 + 5s^2 + s^2
9
s
2
+
5
s
2
+
s
2
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Simplify the expression:
\newline
3
r
2
+
5
r
2
3r^2 + 5r^2
3
r
2
+
5
r
2
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Simplify the expression:
\newline
5
n
2
+
8
n
2
+
3
n
2
5n^2 + 8n^2 + 3n^2
5
n
2
+
8
n
2
+
3
n
2
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Simplify:
\newline
5
162
−
3
18
÷
4
98
5\sqrt{162}-3\sqrt{18}\div 4\sqrt{98}
5
162
−
3
18
÷
4
98
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Simplify the expression:
\newline
4
c
+
10
c
4c + 10c
4
c
+
10
c
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Simplify the expression:
\newline
8
x
+
8
x
+
8
x
8x + 8x + 8x
8
x
+
8
x
+
8
x
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Simplify the expression:
\newline
9
p
+
2
p
−
7
p
9p + 2p - 7p
9
p
+
2
p
−
7
p
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Simplify the expression:
\newline
8
f
−
2
f
+
9
f
8f - 2f + 9f
8
f
−
2
f
+
9
f
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Simplify the expression:
\newline
8
m
+
3
m
−
2
m
8m + 3m - 2m
8
m
+
3
m
−
2
m
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8
x
+
3
y
8x+3y
8
x
+
3
y
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−
3
5
x
−
4
5
-3 \sqrt{5} x-4 \sqrt{5}
−
3
5
x
−
4
5
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4
X
×
62
Y
4X \times 62Y
4
X
×
62
Y
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sin
2
x
+
cos
4
x
\sin 2x + \cos 4x
sin
2
x
+
cos
4
x
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Integrate
tan
x
d
x
\sqrt{\tan x}\, dx
tan
x
d
x
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1
7
2
×
4
2
17^2 \times 4^2
1
7
2
×
4
2
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−
3
112
+
10
112
-3 \sqrt{112}+10 \sqrt{112}
−
3
112
+
10
112
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10
x
10
−
10
+
10
/
10
10x10-10+10/10
10
x
10
−
10
+
10/10
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1
1
1
.
cos
3
x
−
cos
5
x
=
sin
4
x
\cos 3 x-\cos 5 x=\sin 4 x
cos
3
x
−
cos
5
x
=
sin
4
x
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Simplify:
\newline
3
x
+
2
x
−
2
y
3 x+2 x-2 y
3
x
+
2
x
−
2
y
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Integrate.
\newline
cos
x
sin
x
cos
x
\frac{\cos x \sin x}{\cos x}
c
o
s
x
c
o
s
x
s
i
n
x
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Simplify the expression:
\newline
8
q
−
2
q
8q - 2q
8
q
−
2
q
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Simplify the expression:
\newline
9
g
−
6
g
9g - 6g
9
g
−
6
g
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Simplify the expression:
\newline
5
t
+
10
t
+
t
5t + 10t + t
5
t
+
10
t
+
t
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Simplify the expression:
\newline
4
s
+
5
s
4s + 5s
4
s
+
5
s
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Simplify the expression:
\newline
9
c
−
c
+
10
c
9c - c + 10c
9
c
−
c
+
10
c
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Simplify the expression:
\newline
w
+
9
w
+
9
w
w + 9w + 9w
w
+
9
w
+
9
w
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Simplify the expression:
\newline
6
k
+
8
k
+
3
k
6k + 8k + 3k
6
k
+
8
k
+
3
k
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Select the equivalent expression
6
×
6
×
6
×
6
×
6
6\times 6\times 6\times 6\times 6
6
×
6
×
6
×
6
×
6
\newline
(A)
(
6
2
)
3
(6^2)^3
(
6
2
)
3
\newline
(B)
2
5
⋅
3
5
2^5 \cdot 3^5
2
5
⋅
3
5
\newline
(C)
6
6
6
1
\frac{6^6}{6^1}
6
1
6
6
\newline
(D)
3
2
⋅
2
3
3^2 \cdot 2^3
3
2
⋅
2
3
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7
x
+
4
x
7x+4x
7
x
+
4
x
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Simplify the trigonometric expression
\newline
sin
x
+
cot
x
cos
x
\sin x + \cot x \cos x
sin
x
+
cot
x
cos
x
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simplify
2
p
−
p
2p-p
2
p
−
p
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Simplify
\newline
tan
x
csc
x
cos
x
\tan x \csc x \cos x
tan
x
csc
x
cos
x
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what is the gcf of
3
x
4
3x^4
3
x
4
,
15
x
3
15x^3
15
x
3
,
21
x
2
21x^2
21
x
2
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Simplify the expression:
\newline
7
z
2
+
3
z
2
7z^2 + 3z^2
7
z
2
+
3
z
2
\newline
______
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