Question

Решить уравнение: x в квадрате = - 4x + 32

Answer 1

x² = - 4x + 32

x² + 4x - 32 = 0

D =16+4·32 = 16 +128 = 144

√D = 12

x₁ = (-4 - 12):2 = -8

x₂ = (-4 + 12):2 = 4

Answer 2

x^2=-4x+32

x^2+4x-32=0

x1+x2=-4

x1*x2=-32

x1=-8

x2=4