x^2-3xy-18y^2-3x-9y
问题描述:
x^2-3xy-18y^2-3x-9y
因式分解
答
(x+3y)(x-6y)-3(x+3y)=(x+3y)(x-6y-3)
x^2-3xy-18y^2-3x-9y
因式分解
(x+3y)(x-6y)-3(x+3y)=(x+3y)(x-6y-3)