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# Completing the Square

## Create perfect square trinomials using the additive property of equality

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Completing the Square When the Leading Coefficient Doesn't Equal 1

This lesson covers completing the square when the leading coefficient is not equal to one.
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## Completing the Square

This concept introduces solving quadratic equations by completing the square.
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• Video

## Completing the Square

How to complete the square for a polynomial, as explained by Khan Academy.
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