Completing the Square Calculator

Convert ax² + bx + c into vertex form a(x − h)² + k with full step-by-step working.

Enter Coefficients

ax² + bx + c

a (x² coefficient)

b (x coefficient)

c (constant)

Vertex Form

Vertex (h, k)

Axis of Symmetry

Opens

Roots (x-intercepts)

Step-by-Step