SOLUTION: Using factoring, for what four values of x is the equation {{{ (x^2-10x+12)^2=144 }}} true?

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Question 1096725: Using factoring, for what four values of x is the equation +%28x%5E2-10x%2B12%29%5E2=144+ true?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
(x^2-10x+12)^2=144
x^2-10x+12=+/-12
x^2-10x+12=+12
x^2-10x=0
x(x-10)=0
x=0,10
============
x^2-10x+12=-12
x^2-10x+24=0
(x-6)(x-4)=0
x=4,6
============
graph%28300%2C300%2C-10%2C12%2C-25%2C250%2C%28x%5E2-10x%2B12%29%5E2-144%29