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2x^{2}-x+2
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2x^{2}-x+2
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3x^{2}-2x+9-x^{2}+x-7
To find the opposite of x^{2}-x+7, find the opposite of each term.
2x^{2}-2x+9+x-7
Combine 3x^{2} and -x^{2} to get 2x^{2}.
2x^{2}-x+9-7
Combine -2x and x to get -x.
2x^{2}-x+2
Subtract 7 from 9 to get 2.
3x^{2}-2x+9-x^{2}+x-7
To find the opposite of x^{2}-x+7, find the opposite of each term.
2x^{2}-2x+9+x-7
Combine 3x^{2} and -x^{2} to get 2x^{2}.
2x^{2}-x+9-7
Combine -2x and x to get -x.
2x^{2}-x+2
Subtract 7 from 9 to get 2.
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