Which expression is equivalent to $(x^{3}+4x^{2}-3x)+5(x^{2}+8)$? | Ronan SAT

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Question

Prompt

Which expression is equivalent to

(x^{3} + 4 x^{2} - 3 x) + 5 (x^{2} + 8)

?

x^{3} + 9 x^{2} - 3 x + 40

A

x^{3} + 4 x^{2} - 3 x + 40

B

x^{3} + 8 x^{2} - 3 x + 40

C

x^{3} + 5 x^{2} - 3 x + 40

D