The Quadratic Formula Explained
How to solve any quadratic equation ax² + bx + c = 0:
STEP 01
Identify a, b, c
Match your equation with standard form ax² + bx + c = 0.
STEP 02
Compute Discriminant
Calculate Δ = b² - 4ac to check for real or complex roots.
STEP 03
Apply Formula
Substitute into x = (-b ± √Δ) / 2a.
STEP 04
View Real & Complex Roots
Get exact decimal and imaginary (i) numbers automatically.