SOLUTION: Factorize: x^2-x-20=0

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Question 636290: Factorize:
x^2-x-20=0
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Factorize: 

x^2-x-20=0

(x-5)(x+4)=  0

 x = 5  0r  x = -4



May check factoring Using FOIL

F	First terms x^2

O	Outside terms 4x

I	Inside terms -5x

L	Last terms  -20