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Jaime Coleman 2022-05-06 Answered
$\left(-4{x}^{2}+x-7\right)﻿+\left(6{x}^{3}+6{x}^{2}-x+2\right)=$?
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## Answers (1)

Jamal Hamilton
Answered 2022-05-07 Author has 8 answers

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 $2$.

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

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