8(x²-2y²)-x(7x+y)+xy
来源:学生作业帮助网 编辑:六六作业网 时间:2025/01/05 20:43:57
8(x²-2y²)-x(7x+y)+xy8(x²-2y²)-x(7x+y)+xy8(x²-2y²)-x(7x+y)+xy8(x²-
8(x²-2y²)-x(7x+y)+xy
8(x²-2y²)-x(7x+y)+xy
8(x²-2y²)-x(7x+y)+xy
8(x²-2y²)-x(7x+y)+xy
=8x^2-16y^2-7x^2-xy+xy
=x^2-16y^2
=(x+4y)(x-4y)