Evaluate
4+7y-2y^{2}-6y^{3}
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4+7y-2y^{2}-6y^{3}
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y^{2}+4-2y^{3}-3y^{2}+7y-4y^{3}
To find the opposite of 3y^{2}-7y+4y^{3}, find the opposite of each term.
-2y^{2}+4-2y^{3}+7y-4y^{3}
Combine y^{2} and -3y^{2} to get -2y^{2}.
-2y^{2}+4-6y^{3}+7y
Combine -2y^{3} and -4y^{3} to get -6y^{3}.
y^{2}+4-2y^{3}-3y^{2}+7y-4y^{3}
To find the opposite of 3y^{2}-7y+4y^{3}, find the opposite of each term.
-2y^{2}+4-2y^{3}+7y-4y^{3}
Combine y^{2} and -3y^{2} to get -2y^{2}.
-2y^{2}+4-6y^{3}+7y
Combine -2y^{3} and -4y^{3} to get -6y^{3}.
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