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Which polynomial represents the sum below?

3x^(2)+4x+3+
3x^(2)+6x
__________________
A.
9x^(2)+10 x+3
B.
6x^(2)+24 x+3
C.
6x^(2)+10 x+3
D.
9x^(2)+24 x+3

Which polynomial represents the sum below? $\newline$ $\space$ $\space$ $\space$ $\space$ $\space$ $3x^{2}+4x+3$ $\newline$ $+$ $\space$ $3x^{2}+6x$ $\newline$ _____________________ $\newline$ $\newline$ A. $9x^{2}+10x+3$ $\newline$ B. $6x^{2}+24x+3$ $\newline$ C. $6x^{2}+10x+3$ $\newline$ D. $9x^{2}+24x+3$

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Transformations of functions

Full solution

Q. Which polynomial represents the sum below?

\newline

\space

\space

\space

\space

\space

3x^{2}+4x+3

\newline

+

\space

3x^{2}+6x

\newline

_____________________

\newline

\newline

A.

9x^{2}+10x+3

\newline

B.

6x^{2}+24x+3

\newline

C.

6x^{2}+10x+3

\newline

D.

9x^{2}+24x+3

Combine like terms: Combine like terms from both polynomials. $\newline$ $3x^{2} + 3x^{2} = 6x^{2}$ , $\newline$ $4x + 6x = 10x$ , $\newline$ $3$ (constant term remains unchanged as there's no other constant to add).
Write final polynomial: Write the final polynomial combining all the like terms calculated. $6x^{2} + 10x + 3$ .

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