Mathematics for IGCSE & O level - Equations (Section 3 - No. 1)
In the context of completing the square, what is the purpose of adding a number to the left-hand side of the equation?
To factorize the left-hand side.
To make the left-hand side a complete square.
To isolate the constant term.
To simplify the equation.
Paliwanag
Adding a number to the left-hand side allows to make the left-hand side a complete square.