因式分解 8(x²-2y²)-x(7x+y)+xy

因式分解 8(x²-2y²)-x(7x+y)+xy
因式分解 8(x²-2y²)-x(7x+y)+xy

因式分解 8(x²-2y²)-x(7x+y)+xy
8(x²-2y²)-x(7x+y)+xy
=8x²-16y²-7x²-xy+xy
=x²-16y²
=(x+4y)(x-4y);
请采纳
如果你认可我的回答,敬请及时采纳,
~如果你认可我的回答,请及时点击【采纳为满意回答】按钮
~~手机提问的朋友在客户端右上角评价点【满意】即可.
~你的采纳是我前进的动力
~~O(∩_∩)O,记得好评和采纳,互相帮助

8(x²-2y²)-x(7x+y)+xy
=8x^2-16y^2-7x^2-xy+xy
=x^2-16y^2
=(x+4y)(x-4y)