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Tool · Algebra

Equation Solver

Solve linear equations ax + b = c and quadratic equations ax² + bx + c = 0 with every step shown.

Linear: ax + b = c

x +=

Quadratic: ax² + bx + c = 0

x² +x += 0

How it works

A linear equation is solved by doing the same inverse operation to both sides until xx is alone. A quadratic is solved with the quadratic formula; the discriminant b2−4acb^2 - 4ac tells you in advance whether there are two, one or no real roots.