SOLUTION: factor and solve x^2-x-72=0

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Question 634200: factor and solve x^2-x-72=0
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
find factors of -72 which add up to -1
-9 and 8
(x-9)*(x+8)=0
x=9 x=-8