How do you factor 18x^2-12x-6 by grouping?

1 Answer
George C.
Feb 1, 2017

18x^2-12x-6 = 6(3x+1)(x-1)

Explanation:

18x^2-12x-6 = 6(3x^2-2x-1)

color(white)(18x^2-12x-6) = 6((3x^2-3x)+(x-1))

color(white)(18x^2-12x-6) = 6(3x(x-1)+1(x-1))

color(white)(18x^2-12x-6) = 6(3x+1)(x-1)

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