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
x^2=-4x+32
x^2+4x-32=0
x1+x2=-4
x1*x2=-32
x1=-8
x2=4
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
x^2=-4x+32
x^2+4x-32=0
x1+x2=-4
x1*x2=-32
x1=-8
x2=4