5(a-b)²-a+b等于几
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 01:14:45
![5(a-b)²-a+b等于几](/uploads/image/z/2639621-29-1.jpg?t=5%EF%BC%88a-b%29%26%23178%3B-a%2Bb%E7%AD%89%E4%BA%8E%E5%87%A0)
x)3}#Q7ISMZ7Q;'/I*+_`gC `a[4qNHJLj&&^iOvt
^6t>ٱZΞ|
tNF 1x050% 2JLN5a҆y4 As
5(a-b)²-a+b等于几
5(a-b)²-a+b等于几
5(a-b)²-a+b等于几
5(a-b)²-a+b
=5(a-b)²-(a-b)
=(a-b)(5(a-b)-1)
=(a-b)(5a-5b-1)
请点击下面的【选为满意回答】按钮,
5(a-b)²-a+b
=5(a-b)²-(a-b)
=(a-b)(5a-5b-1)
5(a-b)²-a+b
=5(a²-2ab+b²)-a+b
=5a²-10ab+b²-a+b