-3x2 -6x -3 = 0
ax2 bx c = 0
a = -3
b = -6
c = -3
Δ = b2-4ac
Δ = -6² - (4 * -3 * -3)
Δ = 36 - (4*9)
Δ = 36 - (36)
Δ = 0 Δ = 0
x = -b 2*a
x = 6 2*-3
x = -1.0
S = {x ∈ R / x = -1.0}
-3x2 -6x -3 = 0
ax2 bx c = 0
a = -3
b = -6
c = -3
Δ = b2-4ac
Δ = -6² - (4 * -3 * -3)
Δ = 36 - (4*9)
Δ = 36 - (36)
Δ = 0 Δ = 0
x = -b 2*a
x = 6 2*-3
x = -1.0
S = {x ∈ R / x = -1.0}