( &#x2212;<!-- − --> 4 x <mrow class="MJX-TeXAtom-ORD"> 2 </mrow> </ms

$\left(-4{x}^{2}+x-7\right)﻿+\left(6{x}^{3}+6{x}^{2}-x+2\right)=$?
You can still ask an expert for help

• Questions are typically answered in as fast as 30 minutes

Solve your problem for the price of one coffee

• Math expert for every subject
• Pay only if we can solve it

Jamal Hamilton

Remove parentheses.

$-4{x}^{2}+x-7+6{x}^{3}+6{x}^{2}-x+2$

Combine the opposite terms in $-4{x}^{2}+x-7+6{x}^{3}+6{x}^{2}-x+2$.

$-4{x}^{2}-7+6{x}^{3}+6{x}^{2}+2$

Add $-4{x}^{2}$ and $6{x}^{2}$.

$2{x}^{2}-7+6{x}^{3}+2$

Add $-7$ and $2$.

$2{x}^{2}+6{x}^{3}-5$