因式分解xy－y∧2－yz＋xz,
问题描述：
因式分解xy－y∧2－yz＋xz,
答
xy－y^2－yz＋xz
=y(x-y)+z(x-y)
=(y+z)(x-y)
因式分解xy－y∧2－yz＋xz,
xy－y^2－yz＋xz
=y(x-y)+z(x-y)
=(y+z)(x-y)