SOLUTION: Solve by factoring. a^2 - 3a - 18 = 0

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Question 201300: Solve by factoring.
a^2 - 3a - 18 = 0

Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Solve by factoring:
a%5E2-3a-18+=+0 Factor the trinomial.
%28a-6%29%28a%2B3%29+=+0 Apply the zero product rule.
a-6+=+0 or a%2B3+=+0 so...
highlight%28a+=+6%29 or highlight%28a+=+-3%29