X^2+4x-10=0 Помогите решить уровнение по теореме Виета
x1 + x2 = - p
x1*x2 = q
x1 + x2 = - 4
x1*x2 = - 10
( - 4 - x2)x2 + 10 = 0
- x^2 - 4x + 10 = 0
x^2 + 4x - 10 = 0
D = 16 + 4*10 = 56
x1 = ( - 4 + √56)/2 = - 2 + √14
x2 = ( - 4 - √56)/2 = - 2 - √14