求x的值：x²-121/49=0
来源：学生作业帮助网 编辑：六六作业网 时间：2024/11/23 06:05:44
求x的值：x²-121/49=0求x的值：x²-121/49=0求x的值：x²-121/49=0x²-121/49=0(x-11/7)(x+11/7)=0x=1
求x的值：x²-121/49=0
求x的值：x²-121/49=0
求x的值：x²-121/49=0
x²-121/49=0
(x-11/7)(x+11/7)=0
x=11/7或 -11/7
正负 11/7