Mathematics for IGCSE & O level - Equations (Section 3 - No. 34)
In the process of completing the square, after calculating (b/2)², what is the next step?
Add the value to both sides of the equation.
Subtract the value from both sides of the equation.
Set each factor equal to zero.
Rewrite the left side as a squared binomial.
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You add the result to both sides and then rewrite the left side as a squared binomial.