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8a^{2}-7a+10
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8a^{2}-7a+10
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3a^{2}-5a+3+5a^{2}-2a+7
To find the opposite of -5a^{2}+2a-7, find the opposite of each term.
8a^{2}-5a+3-2a+7
Combine 3a^{2} and 5a^{2} to get 8a^{2}.
8a^{2}-7a+3+7
Combine -5a and -2a to get -7a.
8a^{2}-7a+10
Add 3 and 7 to get 10.
3a^{2}-5a+3+5a^{2}-2a+7
To find the opposite of -5a^{2}+2a-7, find the opposite of each term.
8a^{2}-5a+3-2a+7
Combine 3a^{2} and 5a^{2} to get 8a^{2}.
8a^{2}-7a+3+7
Combine -5a and -2a to get -7a.
8a^{2}-7a+10
Add 3 and 7 to get 10.
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