因式分解3a^2x^3y+6ax^2y^2-12ax^2y^3
3x^3y^2-12ax^2y+9a^2x因式分解
因式分解ax^3y+axy^3-2ax^2y^2
六道因式分解xy^2-2xy-3x-y^2-2y-12x^2+ax-6x-3ax^3+2x^2+2x+120a^3bc-
因式分解 (1) ax^4-81a (2) 4x^2(x-y)+2x(x-y) (3) a^2x^2+4a^2xy+4a
因式分解 (1)6(x-y)^3-3y(y-x)^2 (2)x(x-y)(a-b)-y(y-x)(
y=ax²-2ax-3a(a
(x-y)^2-(x-y)^3因式分解
(x+y)^2-3(x-y)因式分解
已知集合A={y | y=x²-2ax+3b},B={ y | y=-x²+2ax+7b},且A∩B
因式分解.1.ax^2+(a^2+1)x+a 2.3x^2+5xy-2y^2+x+9y-4 3.4(x-y+1)+y(y
因式分解:3a(x-y)-2(y-x)的平方
因式分解3x^2(x-y)+6x(y-x)