SOLUTION: Factor each polynomial completely. 2a(2) - 4a-2

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Question 95451: Factor each polynomial completely.
2a(2) - 4a-2
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
IF YOU MEAN 2A^2-4A-2 THEN
USING THE QUADRATIC EQUATION BELOW WE GET:
x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
X=(4+-SQRT[-4^2*-4*2*-2])/2^2
X=(4+-SQRT[16+16])/4
X=(4+-SQRT32)/4
X=(4+-5.66)/4
X=(4+5.66)/4
X=9.66/4
X=2.415 ANSWER.
X=(4-5.66)/4
X=-1.66/4
X=-.415 ANSWER.