andrew0730 andrew0730

13-05-2020
Mathematics

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Subtract. Your answer should be a polynomial in standard form (6a^3+7a^2)-(5a^3+9a^2+a)=

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wegnerkolmp2741o wegnerkolmp2741o

13-05-2020

Answer:

a^3-2a^2-a

Step-by-step explanation:

(6a^3+7a^2)-(5a^3+9a^2+a)=

Distribute the minus sign

(6a^3+7a^2)-5a^3-9a^2-a=

Combine like terms

6a^3-5a^3+7a^2-9a^2-a=

a^3-2a^2-a

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