SOLUTION: Combine like terms. 6a2 + 4a + 5 + 3a2 + 7a – 2

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Question 61985: Combine like terms.
6a2 + 4a + 5 + 3a2 + 7a – 2
Answer by checkley71(8403) About Me  (Show Source):
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6A^2+4A+5+3A^2+7A-2
9A^2+11A+3 USING THE QUADRATIC EQUATION WE GET
A=(-B+-SQRT[B^2-4AC])/2A
A=(-11+-SQRT[11*11-4*9*3])/2*9
A=(-11+-SQRT[121-108])/18
A=(-11+-SQRT[13])/18
A=(-11+3.6)/18
A=-7.4/18
A=-.41 SOLUTION
A=(-11-3.6)/18
A=-14.6/18
A=-.81 SOLUTION