Im not that good at math and I need to pass this class. It is my LAST college course, and I am done. I will be on here a lot!
how do you factor 12x^2-22x-20?
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12x^2 -22x -20
begin by factoring out the common factor for all three terms (2):
2(6x^2 -11x -10)
Rewrite the middle term as:
2(6x^2 +4X-15X -10)
2((6x^2 +4X)- (15X + 10))
2(2x(3x +2)- 5(3X + 2))
2(3X + 2)(2x- 5)