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.
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These steps allow to solve for the variable.