-82x^2=0 -37x^2-13=0 !!!!!!!!!!!!
- 82x^2 = 0 // : (-82) x^2 = 0 x = 0 - 37x^2 - 13 = 0 37x^2 + 13 = 0 37x^2 = - 13 x^2 = - 13/37 нет реш