因式分解(1)3x^2+6xy (2)2x(x-y)+x^2(y-x) (3)x^3y-2x^2y^2+x^y (4a^2+16b^2+8ab

问题描述:

因式分解(1)3x^2+6xy (2)2x(x-y)+x^2(y-x) (3)x^3y-2x^2y^2+x^y (4a^2+16b^2+8ab