Question

1. simplify $(6x^{3}+9x + 8)-(4x^{3}-8x^{2}+x).$ $(6x^{3}+9x + 8)-(4x^{3}-8x^{2}+x)=$ enter your next step here

Explanation:

Step1: Remove parentheses

$(6x^{3}+9x + 8)-(4x^{3}-8x^{2}+x)=6x^{3}+9x + 8-4x^{3}+8x^{2}-x$

Step2: Combine like - terms

$(6x^{3}-4x^{3})+8x^{2}+(9x - x)+8$
$=2x^{3}+8x^{2}+8x + 8$

Answer:

$2x^{3}+8x^{2}+8x + 8$