-(x+y)²+16(x-1)²
来源:学生作业学帮网 编辑:学帮网 时间:2024/06/03 03:47:46
-(x+y)²+16(x-1)²
-(x+y)²+16(x-1)²
=16(x-1)²-(x+y)²
=(4x-4+x+y)(4x-4-x-y)
=(5x+y-4)(3x-y-4)
(4(x-1)+x+y)(4(x-1)-(x-y))
(4x-4+x+y)(4x-4-x+y)
(5x-4+y)(3x-4+y)
收录互联网各类作业题目,免费共享学生作业习题
慧海网手机作业共收录了 千万级 学生作业题目
来源:学生作业学帮网 编辑:学帮网 时间:2024/06/03 03:47:46
-(x+y)²+16(x-1)²
-(x+y)²+16(x-1)²
=16(x-1)²-(x+y)²
=(4x-4+x+y)(4x-4-x-y)
=(5x+y-4)(3x-y-4)
(4(x-1)+x+y)(4(x-1)-(x-y))
(4x-4+x+y)(4x-4-x+y)
(5x-4+y)(3x-4+y)