SOLUTION: Solve the equation by factoring and show the complete step by step solution. x^2-2x-8=0

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Question 1087734: Solve the equation by factoring and show the complete step by step solution.
x^2-2x-8=0
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

x%5E2-2x-8=0
x%5E2-4x%2B2x-8=0
%28x%5E2-4x%29%2B%282x-8%29=0
x%28x-4%29%2B2%28x-4%29=0
%28x%2B2%29%28x-4%29=0
solution:
if %28x%2B2%29=0=> x=-2
if %28x-4%29=0=>x=4

+graph%28+600%2C+600%2C+-10%2C+10%2C+-10%2C+10%2Cx%5E2-2x-8%29+