Evaluate
-2x^{3}+7x^{2}-x-7
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-2x^{3}+7x^{2}-x-7
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x^{3}+2x^{2}-x-4-3x^{3}+5x^{2}-3
To find the opposite of 3x^{3}-5x^{2}+3, find the opposite of each term.
-2x^{3}+2x^{2}-x-4+5x^{2}-3
Combine x^{3} and -3x^{3} to get -2x^{3}.
-2x^{3}+7x^{2}-x-4-3
Combine 2x^{2} and 5x^{2} to get 7x^{2}.
-2x^{3}+7x^{2}-x-7
Subtract 3 from -4 to get -7.
x^{3}+2x^{2}-x-4-3x^{3}+5x^{2}-3
To find the opposite of 3x^{3}-5x^{2}+3, find the opposite of each term.
-2x^{3}+2x^{2}-x-4+5x^{2}-3
Combine x^{3} and -3x^{3} to get -2x^{3}.
-2x^{3}+7x^{2}-x-4-3
Combine 2x^{2} and 5x^{2} to get 7x^{2}.
-2x^{3}+7x^{2}-x-7
Subtract 3 from -4 to get -7.
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