Evaluate
30-6y^{2}-y^{3}
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30-6y^{2}-y^{3}
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15-7y^{2}-y^{3}+y^{2}+15
To find the opposite of y^{3}-y^{2}-15, find the opposite of each term.
15-6y^{2}-y^{3}+15
Combine -7y^{2} and y^{2} to get -6y^{2}.
30-6y^{2}-y^{3}
Add 15 and 15 to get 30.
15-7y^{2}-y^{3}+y^{2}+15
To find the opposite of y^{3}-y^{2}-15, find the opposite of each term.
15-6y^{2}-y^{3}+15
Combine -7y^{2} and y^{2} to get -6y^{2}.
30-6y^{2}-y^{3}
Add 15 and 15 to get 30.
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