因式分解8ax²--4ax+½a ½x²--xy+½y² (
因式分解4x²+4xy-2ax+2bx+y²-ay+by-ab
ax²+2ax+a³ 因式分解
因式分解(1)a²x²+4ax²y+4x²y²;(2)x³+
(ax²-2xy+y²)-(-ax²+bxy+2y²)=8x²-7xy
2x²-5x-ax+3a-3 因式分解
因式分解4x²-4xy+y²-a²
因式分解:x²-y²+4xy
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 (1) ax^4-81a (2) 4x^2(x-y)+2x(x-y) (3) a^2x^2+4a^2xy+4a
化简(a-b)²÷(ax+by-ay-xy)-(a-b)÷(x-y)
36x²y-48xy² y(x-y)²-(y-x)³ 3ax²+6ax
因式分解:4x²y+4xy²+xy²