10/(х+3) + 12/(х-3) =2
10х -30 +12х +36 = 2x^2 -18
2x^2 -22x -24 =0
x^2 -11x -12 =0
x = 1 x = -12
17/ (15+x) + 13(15-x) = 2
255-17x +195 +13x = 510 -2x^2
2x^2 -4x -60=0
x^2 -2x - 15 =0
x = 5 x = -3
10/(х+3) + 12/(х-3) =2
10х -30 +12х +36 = 2x^2 -18
2x^2 -22x -24 =0
x^2 -11x -12 =0
x = 1 x = -12
17/ (15+x) + 13(15-x) = 2
255-17x +195 +13x = 510 -2x^2
2x^2 -4x -60=0
x^2 -2x - 15 =0
x = 5 x = -3