Question

$x-5/x-11=-5$

Answer 1

х-5/х-11=-5

х²-5-11х=-5х

х²-6х-5=0

х1= $frac{6+sqrt{36-4*(-5)}}{2}=frac{6+sqrt{56}}{2}$$=3+sqrt{14}$

х2= $frac{6-sqrt{36-4*(-5)}}{2}=frac{6-sqrt{56}}{2}$$=3-sqrt{14}$

 

Answer 2

смотри...............................