Evaluate
y^{6}-6y^{5}-2y^{4}+7y^{3}-y^{2}-8y-6
Expand
y^{6}-6y^{5}-2y^{4}+7y^{3}-y^{2}-8y-6
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y^{4}-6y^{5}+7y^{3}-8y-6-3y^{4}+y^{6}-y^{2}
To find the opposite of 3y^{4}-y^{6}+y^{2}, find the opposite of each term.
-2y^{4}-6y^{5}+7y^{3}-8y-6+y^{6}-y^{2}
Combine y^{4} and -3y^{4} to get -2y^{4}.
y^{4}-6y^{5}+7y^{3}-8y-6-3y^{4}+y^{6}-y^{2}
To find the opposite of 3y^{4}-y^{6}+y^{2}, find the opposite of each term.
-2y^{4}-6y^{5}+7y^{3}-8y-6+y^{6}-y^{2}
Combine y^{4} and -3y^{4} to get -2y^{4}.
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