Mathematics for IGCSE & O level - Equations (Section 7 - No. 42)

Which steps are needed when solving a quadratic equation by completing the square?

Move the constant term to the right side of the equation.

Find half of the coefficient of the x term, square it, and add it to both sides.

Write the left side as a squared binomial.

Multiply both sides by the coefficient of x².

These steps allow to solve for the variable.