add the following
8a3+3a2-6a-10,-6a3-5a2+7 and 8a2+5a
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Step-by-step explanation:
first arrange unlike terms then solve the sum
8a^3-6a^3-3a^2-5a^2-6a-5a+8a-10+7
2a^3-11a^3-3a-3
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