SOLUTION: How do I subtract (7a^3 +a-4) -(9-4a^3-2a^2)
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Question 703945: How do I subtract (7a^3 +a-4) -(9-4a^3-2a^2)
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
How do I subtract (7a^3 +a-4) -(9-4a^3-2a^2)
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Change the signs
(7a^3 +a-4) -(9-4a^3-2a^2)
= (7a^3 +a-4) -9 + 4a^3 + 2a^2
Combine like terms, eg, 7a^3 + 4a^3 = 11a^3
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