22x2 +23x +6 = 0
ax2 bx c = 0
a = 22
b = 23
c = 6
Δ = b2-4ac
Δ = 23² - (4 * 22 * 6)
Δ = 529 - (4*132)
Δ = 529 - (528)
Δ = 1 Δ > 0
22x2+23x+6=0
x = -b ∓ √Δ 2a
x' = -23 - √1 2*22 = -23 - 1.0 44 = -24.0 44 = -0.545454545455
x" = -23 + √1 2*22 = -23 + 1.0 44 = -22.0 44 = -0.5
x' = -264.0
x" = -242.0
S = {x ∈ R / x' = -264.0, x" = -242.0 }