因式分解:25(a-2b)²-(a+b)²
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/08 04:15:08
![因式分解:25(a-2b)²-(a+b)²](/uploads/image/z/2983369-49-9.jpg?t=%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%3A25%28a-2b%29%26%23178%3B-%28a%2Bb%29%26%23178%3B)
xR[N@J`H;δŖ݇(
c7vB 9ܜ9grXՋz>.'G$O78S]TÜnU ak~7gm[r1#XZ+OZUYYGJ:ՍTSt٬ yY^fŬ< T1FY@wY,UhDD\i(}0(!ՄJT+})
30X
>ƻ,msP7Y&6K̆ LP2ZfAdj?Ԧ[]Srv[-וusvdL=V
因式分解:25(a-2b)²-(a+b)²
因式分解:25(a-2b)²-(a+b)²
因式分解:25(a-2b)²-(a+b)²
=(5a-10b)²-(a+b)²
25(a-2b)²-(a+b)²
=5² (a-2b)²-(a+b)²
=(5a-10b)²-(a+b)²
=(5a-10b+a+b)(5a-10b-a-b)
=(6a-9b)(4a-11b)
原式=5²(a-2b)²-(a+b)²=(5a-10b)²-(a+b)²=(4a-11b)(6a-9b)