Evaluate
27-31x-22x^{2}
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27-31x-22x^{2}
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-2x^{2}-8x+17-20x^{2}-23x+10
To find the opposite of 20x^{2}+23x-10, find the opposite of each term.
-22x^{2}-8x+17-23x+10
Combine -2x^{2} and -20x^{2} to get -22x^{2}.
-22x^{2}-31x+17+10
Combine -8x and -23x to get -31x.
-22x^{2}-31x+27
Add 17 and 10 to get 27.
-2x^{2}-8x+17-20x^{2}-23x+10
To find the opposite of 20x^{2}+23x-10, find the opposite of each term.
-22x^{2}-8x+17-23x+10
Combine -2x^{2} and -20x^{2} to get -22x^{2}.
-22x^{2}-31x+17+10
Combine -8x and -23x to get -31x.
-22x^{2}-31x+27
Add 17 and 10 to get 27.
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