📐 Quadratic Equation Solver

x² − 3x + 2 = 0

x₁ = 2, x₂ = 1

Two distinct real roots (discriminant > 0)

Discriminant (b² − 4ac)
1
Vertex
(1.5, −0.25)
Axis of symmetry
x = 1.5
Parabola opensUpward (minimum at vertex)
y-intercept(0, 2)
Sum of roots (−b/a)3
Product of roots (c/a)2

Step by step

  1. Identify the coefficients: a = 1, b = −3, c = 2
  2. Discriminant: D = b² − 4ac = (−3)² − 4 × 1 × 2 = 1
  3. Quadratic formula: x = (−b ± √D) ÷ 2a = (3 ± √1) ÷ 2
  4. Roots: x₁ = 2, x₂ = 1
  5. Vertex: x = −b ÷ 2a = 1.5, y = c − b² ÷ 4a = −0.25

Open the full Quadratic Equation Solver · Free calculators byCalcBright