Asked by miguel
how do i factor
27x^3-21x^2y+108x^2-84yx
27x^3-21x^2y+108x^2-84yx
Answers
Answered by
Steve
27x^3-21x^2y+108x^2-84yx
3x(9x^2 - 7xy + 36x - 28y)
3x(9x^2+36x - 7xy-28y)
3x(9x(x+4) - 7y(x+4))
3x(9x-7y)(x+4)
3x(9x^2 - 7xy + 36x - 28y)
3x(9x^2+36x - 7xy-28y)
3x(9x(x+4) - 7y(x+4))
3x(9x-7y)(x+4)
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