问题标题：
x^2-2xy+y^2=3x-3y+2x^2+(a+1)x-(6a^2-13a+6)x^2-2xy+y^2=3x-3y+2x^2+(a+1)x-(6a^2-13a+6)两题哦
问题描述：
x^2-2xy+y^2=3x-3y+2x^2+(a+1)x-(6a^2-13a+6)
x^2-2xy+y^2=3x-3y+2
x^2+(a+1)x-(6a^2-13a+6)
两题哦
刘千里回答：
∵x^2-2xy+y^2=3x-3y+2∴(x-y)^2-3(x-y)-2=0x-y=(-3-√17)/2,x-y=(-3+√17)/2∵x^2+(a+1)x-(6a^2-13a+6)=x^2+(a+1)x-(3a-2)(2a-3)=[x+(3a-2)][x-(2a-3)]若x^2+(a+1)x-(6a^2-13a+6)=0则：[x+(3a-2)][x-(2a-3)]=0解之...
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