X^2 + Vx + N = 0
x1= -10
x2 = 6
Имеем систему уравнений:
(-10)^2 + V(-10) + N = 0
6^2 + V6 + N = 0
100-10V +N= 0
36+ V6 + N = 0
N = 10V - 100
36 + V6 + 10V - 100 = 0
N = 10V - 100
16V - 64 = 0
16V = 64
N = 10V - 100
V = 4
N = 10*4 - 100
V = 4
N = -60