Answer:
-5.8284271247462
-0.17157287525381
3x2 + 18x + 3 = 0
Roots: -5.8284271247462, -0.17157287525381
Root Pair: -3 ± 2√(2)
Factored: f(x) = 3(x + 5.8284271247462)(x + 0.17157287525381)
Discriminant: 288
Vertex: (-3, -24)
Sum of Roots (-b/a): -6
Product of Roots (c/a): 1