22x2 -17x +3 = 0
ax2 bx c = 0
a = 22
b = -17
c = 3
Δ = b2-4ac
Δ = -17² - (4 * 22 * 3)
Δ = 289 - (4*66)
Δ = 289 - (264)
Δ = 25 Δ > 0
22x2-17x+3=0
x = -b ∓ √Δ 2a
x' = 17 - √25 2*22 = 17 - 5.0 44 = 12.0 44 = 0.272727272727
x" = 17 + √25 2*22 = 17 + 5.0 44 = 22.0 44 = 0.5
x' = 132.0
x" = 242.0
S = {x ∈ R / x' = 132.0, x" = 242.0 }