Factorization: X (M-X) (M-Y) - M (M-X) (M-Y) The result is "(M-X) & # 178; (M-Y)" or "(x-m) & # 178; (M-Y)" why?

Factorization: X (M-X) (M-Y) - M (M-X) (M-Y) The result is "(M-X) & # 178; (M-Y)" or "(x-m) & # 178; (M-Y)" why?


x(m-x)(m-y)-m(m-x)(m-y)
=(m-x)(m-y)(x-m)
=(m-x)(m-y)[-(m-x)]
=-(m-x)^2(m-y)



(X-Y) & # - x + y factorization


(x-y)²-x+y
=(x-y)²-(x-y)
=(x-y)(x-y-1)
Do not understand can ask, help please adopt, thank you!



2x(x-2)-x+2
2x(x-2)-3x+6
(3x+2)-6x²-7x


2x(x-2)-x+2=2x﹙x-2﹚-﹙x-2﹚=﹙x-2﹚﹙2x-1﹚2x(x-2)-3x+6=2x(x-2)-3﹙x-2﹚=(x-2)﹙2x-3﹚(3x+2)-6x²-7x=3x+2-6x²-7x=-6x²-4x+2=-﹙6x²+4x-2﹚=-2﹙3x²+2x-1﹚=-2﹙3x-1﹚﹙...