x^2y-2xy+y化简
问题描述:
x^2y-2xy+y化简
答
x^2y-2xy+y
=y(x^2-2x+1)
=y(x-1)^2
x^2y-2xy+y化简
x^2y-2xy+y
=y(x^2-2x+1)
=y(x-1)^2