-4x2 +10x -6 = 0
ax2 bx c = 0
a = -4
b = 10
c = -6
Δ = b2-4ac
Δ = 10² - (4 * -4 * -6)
Δ = 100 - (4*24)
Δ = 100 - (96)
Δ = 4 Δ > 0
-4x2+10x-6=0
x = -b ∓ √Δ 2a
x' = -10 - √4 2*-4 = -10 - 2.0 -8 = -12.0 -8 = 1.5
x" = -10 + √4 2*-4 = -10 + 2.0 -8 = -8.0 -8 = 1.0
x' = 24.0
x" = 16.0
S = {x ∈ R / x' = 24.0, x" = 16.0 }