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ить на множители многочлен
\newline
(
1
+
4
x
2
)
y
2
+
2
(
2
x
−
y
)
(
1
+
2
x
y
)
+
1
\left(1+4 x^{2}\right) y^{2}+2(2 x-y)(1+2 x y)+1
(
1
+
4
x
2
)
y
2
+
2
(
2
x
−
y
)
(
1
+
2
x
y
)
+
1
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Math Problems
Algebra 2
Factor sums and differences of cubes
Full solution
Q.
ить на множители многочлен
\newline
(
1
+
4
x
2
)
y
2
+
2
(
2
x
−
y
)
(
1
+
2
x
y
)
+
1
\left(1+4 x^{2}\right) y^{2}+2(2 x-y)(1+2 x y)+1
(
1
+
4
x
2
)
y
2
+
2
(
2
x
−
y
)
(
1
+
2
x
y
)
+
1
Recognize pattern:
Recognize the pattern in the given polynomial; it resembles the expansion of
(
a
+
b
)
2
(a+b)^2
(
a
+
b
)
2
, which is
a
2
+
2
a
b
+
b
2
a^2 + 2ab + b^2
a
2
+
2
ab
+
b
2
.
Identify
a
a
a
and
b
b
b
:
Identify
a
a
a
and
b
b
b
in the polynomial. Here,
a
=
y
a = y
a
=
y
and
b
=
(
1
+
2
x
y
)
b = (1+2xy)
b
=
(
1
+
2
x
y
)
.
Check with
(
a
+
b
)
2
(a+b)^2
(
a
+
b
)
2
:
Write down the square of
(
a
+
b
)
(a+b)
(
a
+
b
)
to check if it matches the given polynomial:
(
y
+
(
1
+
2
x
y
)
)
2
=
y
2
+
2
y
(
1
+
2
x
y
)
+
(
1
+
2
x
y
)
2
(y + (1+2xy))^2 = y^2 + 2y(1+2xy) + (1+2xy)^2
(
y
+
(
1
+
2
x
y
)
)
2
=
y
2
+
2
y
(
1
+
2
x
y
)
+
(
1
+
2
x
y
)
2
.
Expand
(
1
+
2
x
y
)
2
(1+2xy)^2
(
1
+
2
x
y
)
2
:
Expand
(
1
+
2
x
y
)
2
(1+2xy)^2
(
1
+
2
x
y
)
2
to see if it matches the given polynomial:
(
1
+
2
x
y
)
2
=
1
2
+
2
∗
(
1
∗
2
x
y
)
+
(
2
x
y
)
2
=
1
+
4
x
y
+
4
x
2
y
2
(1+2xy)^2 = 1^2 + 2*(1*2xy) + (2xy)^2 = 1 + 4xy + 4x^2y^2
(
1
+
2
x
y
)
2
=
1
2
+
2
∗
(
1
∗
2
x
y
)
+
(
2
x
y
)
2
=
1
+
4
x
y
+
4
x
2
y
2
.
Match expanded forms:
Now, check if the expanded form of
(
y
+
(
1
+
2
x
y
)
)
2
(y + (1+2xy))^2
(
y
+
(
1
+
2
x
y
)
)
2
matches the given polynomial:
y
2
+
2
y
(
1
+
2
x
y
)
+
(
1
+
4
x
2
)
y
2
=
y
2
+
2
y
+
4
x
y
2
+
1
+
4
x
2
y
2
y^2 + 2y(1+2xy) + (1+4x^2)y^2 = y^2 + 2y + 4xy^2 + 1 + 4x^2y^2
y
2
+
2
y
(
1
+
2
x
y
)
+
(
1
+
4
x
2
)
y
2
=
y
2
+
2
y
+
4
x
y
2
+
1
+
4
x
2
y
2
.
More problems from Factor sums and differences of cubes
Question
Factor out the greatest common factor. If the greatest common factor is
1
1
1
, just retype the polynomial.
\newline
4
x
3
−
6
x
2
4x^3 - 6x^2
4
x
3
−
6
x
2
\newline
______
Get tutor help
Posted 2 months ago
Question
Factor
x
4
+
8
x
2
+
16
x^4 + 8x^2 + 16
x
4
+
8
x
2
+
16
completely.
\newline
All factors in your answer should have integer coefficients.
\newline
______
Get tutor help
Posted 2 months ago
Question
Find the binomial that completes the factorization.
\newline
t
3
+
u
3
=
(
‾
)
(
t
2
−
t
u
+
u
2
)
t^3 + u^3 = (\underline{\hspace{1cm}}) (t^2 - tu + u^2)
t
3
+
u
3
=
(
)
(
t
2
−
t
u
+
u
2
)
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Posted 2 months ago
Question
Factor.
\newline
g
2
−
11
g
+
18
g^2 - 11g + 18
g
2
−
11
g
+
18
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Posted 2 months ago
Question
Factor.
\newline
2
y
3
−
y
2
+
16
y
−
8
2y^3 - y^2 + 16y - 8
2
y
3
−
y
2
+
16
y
−
8
\newline
______
\newline
Get tutor help
Posted 2 months ago
Question
Factor.
\newline
2
x
8
+
7
x
2
2x^8 + 7x^2
2
x
8
+
7
x
2
\newline
______
Get tutor help
Posted 3 months ago
Question
Factor.
\newline
9
y
12
+
4
y
5
−
y
2
9y^{12} + 4y^5 - y^2
9
y
12
+
4
y
5
−
y
2
\newline
______
Get tutor help
Posted 3 months ago
Question
Factor.
\newline
6
a
4
+
3
a
3
−
a
+
2
6a^4 + 3a^3 - a + 2
6
a
4
+
3
a
3
−
a
+
2
\newline
_____
Get tutor help
Posted 3 months ago
Question
Factor.
\newline
4
c
7
−
2
c
5
+
c
2
−
5
4c^7 - 2c^5 + c^2 - 5
4
c
7
−
2
c
5
+
c
2
−
5
\newline
_____
Get tutor help
Posted 3 months ago
Question
Factor.
\newline
7
m
9
+
2
m
6
−
m
3
+
4
m
−
10
7m^9 + 2m^6 - m^3 + 4m - 10
7
m
9
+
2
m
6
−
m
3
+
4
m
−
10
\newline
_____
Get tutor help
Posted 3 months ago