SOLUTION: -2x+x^2-15

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Question 51877: -2x+x^2-15
Answer by tutorcecilia(2144) About Me  (Show Source):
You can put this solution on YOUR website!
-2x+x^2-15
x^2-2x-15 [Factor]
(x-5)(x+3)
x-5=0
x=5
or
x+3=0
x=-3
.
So, x = {5, -3]
.
Check by plugging either value back into the original equation.