169(x+3)²-196(x-2)²=0

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/25 23:33:30
169(x+3)²-196(x-2)²=0169(x+3)²-196(x-2)²=0169(x+3)²-196(x-2)²=0169(x+3

169(x+3)²-196(x-2)²=0
169(x+3)²-196(x-2)²=0

169(x+3)²-196(x-2)²=0
169(x+3)²-196(x-2)²=0即169(x+3)²=196(x-2)²所以,(x+3)²/(x-2)²=196/169,所以(x+3)/(x+2)=±根号下(196/169)=±14/13当(x+3)/(x+2)=14/13时,x=67
当(x+3)/(x+2)=-14/13时,x=-11/27