Ответ:
9×(х2-5)/х-1=7х+10
9х(х2-5)=(7х+10)(х+1)
9х2-45=7х2-7х+10х-10
2х2-3х-35=0
2х2+7х-10х-35=0
х(2х+7)-5(2х-7)=0
(2х+7)(х-5)=0
Х= - 3,5 ; 5
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Ответ:
9×(х2-5)/х-1=7х+10
9х(х2-5)=(7х+10)(х+1)
9х2-45=7х2-7х+10х-10
2х2-3х-35=0
2х2+7х-10х-35=0
х(2х+7)-5(2х-7)=0
(2х+7)(х-5)=0
Х= - 3,5 ; 5