ax^2-2axy+ay^2-2x+2y
4ax^3y-2ax^2y^2-4axy+2ay^2
因式分解 ax的平方加ay的平方减2axy减a的三次方
分解因式:3ax*2+6axy+3ay*2; 【a+b+]*2-12[a+b]+36?
ax^3y+axy^3-2ax²y² x²(x-y)+(y-x) 已知|3x+2y+3|+
因式分解ax^3y+axy^3-2ax^2y^2
因式分解;①a^2x^2y-axy^2,②-20a-15ax,③-14abc-7ab+49ab^2c,④x(x-y)-y
因式分解:1/2ax²y²+2axy+2a
已知方程x^2+y^2+ax+2ay+2a^2+a-1=0
因式分解4x²+4xy-2ax+2bx+y²-ay+by-ab
已知直线l1:x+ay=2a+2和l2:ax+y=a+1
已知曲线C:x²+y²-4ax+2ay-20+20a=0
x^3-axy^2-2x^2y+8y^3因式分解