SOLUTION: I am stuck on correct answer for: one of the solutions of the equation x^2 - x = 12 is: I believe answer is "-4" but I need to verify my work. Can you show me the breakdow

Algebra ->  Equations -> SOLUTION: I am stuck on correct answer for: one of the solutions of the equation x^2 - x = 12 is: I believe answer is "-4" but I need to verify my work. Can you show me the breakdow      Log On


   

Question 55134: I am stuck on correct answer for:
one of the solutions of the equation x^2 - x = 12 is:

I believe answer is "-4" but I need to verify my work. Can you show me the breakdown to get correct resolve?
Answer by psbhowmick(878) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E2+-+x+=+12
x%5E2+-+x+-+12=0
x%5E2+-+4x+%2B+3x+-+4%2A3=0
x%28x+-+4%29+%2B+3%28x+-+4%29=0
%28x%2B3%29%28x+-+4%29=0
Thus either (x + 3) = 0 i.e. x = -3 or x - 4 = 0 i.e. x = 4.