Simplify: 9x3 + 8x2 + 3x2 A. 20x7 B. 9x3 + 11x4 C. 9x3 + 11x2 D. 9x3 + 24x4

asked Dec 17, 2020 153k views

4 votes

Simplify: 9x3 + 8x2 + 3x2

A. 20x7
B. 9x3 + 11x4
C. 9x3 + 11x2
D. 9x3 + 24x4

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7 votes

Answer:

$\large\boxed{C.\ 9x^3+11x^2}$

Explanation:

$9x^3+8x^2+3x^2\qquad\text{combine like terms}\\\\=9x^3+(8x^2+3x^2)\\\\=9x^3+11x^2$

Gabhor answered Dec 22, 2020

6.0k points

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