SOLUTION: factor completely 7a^2-7a-84 I am having trouble with factoring can you please help.

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Question 207357: factor completely 7a^2-7a-84 I am having trouble with factoring can you please help.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
factor completely 7a^2-7a-84
= 7*(a^2 - a - 12)
= 7(a-4)(a+3)