SOLUTION: how do you factor x2+5x-36?

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Question 307956: how do you factor x2+5x-36?
Answer by TX911(36) About Me  (Show Source):
You can put this solution on YOUR website!
x^2+5x-36
So what 2 numbers added together =5 and multiplied together = -36?
9 x -4 equals -36 right? And 9+ (-4) =5 so it looks as though we've got our answer.
(x+9)(x-4)