2x²y-x³-xy²因式分解
问题描述:
2x²y-x³-xy²因式分解
答
2x²y-x³-xy²
=-x(x^2+y^2-2xy)
=-x(x-y)^2
2x²y-x³-xy²因式分解
2x²y-x³-xy²
=-x(x^2+y^2-2xy)
=-x(x-y)^2