-12x^3y^2+18x^2y^3-6xy
问题描述:
-12x^3y^2+18x^2y^3-6xy
答
原式=6xy(3xy²-2x²y-1)
答
-12x³y²+18x²y³-6xy
=-6xy(2x²y-3xy²+1)
=-6xy[xy(2x-3y)+1]