SOLUTION: Factor completly 8x^2 -4x -12

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Question 997939: Factor completly
8x^2 -4x -12
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!
8x%5E2+-4x+-12.........write -4x as -12x%2B8x
8x%5E2-12x%2B8x-12.....group
%288x%5E2-12x%29%2B%288x-12%29....factor out 4x from the first group and 4 from the second group
4x%282x-3%29%2B4%282x-3%29
%284x%2B4%29%282x-3%29
4%28x%2B1%29%282x-3%29