SOLUTION: can you please explain the steps factorize x^2-9x-36 thank you

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Question 363585: can you please explain the steps
factorize

x^2-9x-36
thank you
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

x^2-9x-36 

factoring is a process to format as a product of two terms (x +- a )(x +- b )

x^2-9x-36 

format will be (x -a)(x+b) where -bx+ax =-9x and -a*b = -36

(x -12)(x+3) works! as -12x + 3x = -9x  and -12*9 = -36