因式分解:x的2次方-y的2次方-4x-4y
问题描述:
因式分解:x的2次方-y的2次方-4x-4y
答
(x+y)(x-y)-4(x+y)
=(x+y)(x-y-4)
如果我的回答对您有帮助,请点击下面的“选为满意回答”按钮,谢谢您!
答
(x-2)^2=(y-2)^2
答
(X+Y)(X-Y-4)
答
原式=(x+y)(x-y)-4(x+y)
=(x+y)(x-y-4)
答
x的2次方-y的2次方-4x-4y
=(x+y)(x-y)-4(x+y)
=(x+y)(x-y-4)