问题
填空题
分解因式:-12xy2(x+y)+18x2y (x+y)=______.
答案
-12xy2(x+y)+18x2y (x+y),
=6xy(x+y)•(-2y)+6xy (x+y)•3x,
=6xy(x+y)(3x-2y).
故答案为:6xy(x+y)(3x-2y).
分解因式:-12xy2(x+y)+18x2y (x+y)=______.
-12xy2(x+y)+18x2y (x+y),
=6xy(x+y)•(-2y)+6xy (x+y)•3x,
=6xy(x+y)(3x-2y).
故答案为:6xy(x+y)(3x-2y).