因式分解x²(y²-1)+2x(1-y)²+y²-1 求各位大哥大姐帮我解答,
因式分解x²(x-2y)+y²(2y-x) 求各位大哥大姐帮我解答,.
x(x-y)-y(y-x)+(x-y)²因式分解
因式分解x²(x-2y)+y²(2y-x)
(X+Y+1)²-(X-Y+1)²因式分解
大哥大姐请帮我做下这题吧:已知关于x,y的二元一次方程组(x+2y=1)(2x-y=4a)的解也是方程x-y=4的解求a
已知x-y=1,y≠0,求{(x+2y)²+(2x+y)(x+4y)-3(x+y)(x-y)}÷y的值.
25(x-y)²-10(y-z)+1因式分解
因式分解:25(x-y)²+10(y-x)+1
求因式分解(x-y)²-2(x-y)³和(x+y)(x-y)-x(x-y)
因式分解 (1).(x+y)(x+y-6)+9 (2).x²-16y²-x-4y
12x²-3y² (2x+y)²-(x+2y)² 因式分解.最好写完拍下来给我=
求大神解答(因式分解):(x²+y²)²-4x²y²