(x+2)(x-3)=-6x^2-x-6=-6x^2-x=0x(x-1)=0x=0或x-1=0x=0或x=1 用因式分解解方程:(x+2)(x-3)=-6解:化简方程,得(x^2-x=0)将方程的左边分解因式,得(x(x-1))=0(x)=0,或(x-1)=0x1=(0)x2=(1)