因式分解-2x^3y^3+6x^2y^2-20xy
问题描述:
因式分解-2x^3y^3+6x^2y^2-20xy
答
-2x^3y^3+6x^2y^2-20xy
=-2xy(x^2y^2-3xy-10)
=-2xy(xy-5)(xy+2)