x^2-9x/x+3=36/x+3
Помогите пожалуйста.

(x² -9x)/(x +3) =36/(x +3)(x² -9x -36) /(x +3) =0x² -9x -36 =0D =81 +144 =225 =15²x1 =(9 -15)/2 = -3x2 =(9 +15)/2 =12