Mathematics for IGCSE & O level - Equations (Section 1 - No. 2)

When solving a quadratic equation, when would you use the completing the square method?

Only if the equation is easily factorable.

When the equation has no constant term.

To rewrite the equation in a perfect square form.

To determine the leading coefficient

Completing the square transforms the equation into a form where you can isolate the variable more easily.