分解因式4x^2-12xy+9y^2-2x+3y-6
问题描述:
分解因式4x^2-12xy+9y^2-2x+3y-6
答
4x^2-12xy+9y^2-2x+3y-6
=(4x^2-12xy+9y^2)-(2x-3y)-6
=(2x-3y)^2-(2x-3y)-6
=(2x-3y+2)(2x-3y-3)