SOLUTION: Factor completely by first factoring out the greatest common factor and then factoring the trinomial that remains. 2a^2 - 12a - 14

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Question 374843: Factor completely by first factoring out the greatest common factor and then factoring the trinomial that remains.
2a^2 - 12a - 14

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,

Factoring completely 

2a^2 - 12a - 14 

2(a^2 - 6a - 7)

2(a-7)(a+1)  Note: SUM of inner product(-7a) ans outer product(1*a) = -6a