初二下册鲁教版分解因式:3(x-2y)^3-3x+6y
问题描述:
初二下册鲁教版分解因式:3(x-2y)^3-3x+6y
答
3(x-2y)^3-3x+6y
=3(x-2y)^3-3(x-2y)
=3(x-2y)[(x-2y)^2-1]
=3(x-2y)(x-2y+1)(x-2y-1)