分解因式 1.3x²y-6xy= 2.5x²y³-25x³y²= 1.3x²y-6xy=2.5x²y³-25x³y²=
问题描述:
分解因式 1.3x²y-6xy= 2.5x²y³-25x³y²=
1.3x²y-6xy=
2.5x²y³-25x³y²=
答
1.3x²y-6xy
=3xy(x-2)
2.5x²y³-25x³y²
=5x²y²(y-5x)