因式分解x²y³-4x²y
问题描述:
因式分解x²y³-4x²y
答
x²y³-4x²y
=x²y(y²-4)
=x²y(y+2)(y-2)
因式分解x²y³-4x²y
x²y³-4x²y
=x²y(y²-4)
=x²y(y+2)(y-2)