阅读下面例题:把多项式x2-2xy+y2-2x+2y+1因式分解.
阅读下面例题:把多项式x2-2xy+y2-2x+2y+1因式分解.
2x2+xy-3y2+x+4y-1因式分解
x2-xy-2y2-x+5y-2因式分解
因式分解 x2+xy-2y2-x+7y-6
因式分解:x3+(y-1)x2-2xy-y2
因式分解:x2-2xy+y2-z2.
25(x2+ 2xy +y2)-9(x2-2xy+y2)因式分解.x2,y2是x平方,y平方的意思.2xy就是2xy.快
因式分解x2-y2-z2-2yz+1-2x x2-6xy-10x+30 y+25
已知多项式2x2+xy-3y2-x-4y-1=(2x+3y+m)(x-y+n),求m、n的值.
因式分解:(1)x2-3xy-10y2+x+9y-2;(2)x3-11x2+31x-21.
问:因式分解2x2-3xy+y2+5x-y-2
2x2+xy-y2-5x+4y-3如何因式分解?