因式分解:x^2 -12xy+36y^2 - x + 6y (x-6y)(x-6y-1)
问题描述:
因式分解:x^2 -12xy+36y^2 - x + 6y (x-6y)(x-6y-1)
答
x^2 -12xy+36y^2 - x + 6y
=(x-6y)²-(x-6y)
=(x-6y)(x-6y-1)