Some of the steps in the derivation of the quadratic formula are shown. step 3: - c b^2/4a=a (x^2 b/ax b^2/4a62) step 4a: - c b^2/4a=a (x b/2a) ^2 step 4b: - 4ac/4a b2/4a=a (x b/2a) ^2 which best explains or justifies step 4b? - factoring a polynomial - multiplication property of equality - converting to a common denominator - addition property of equality

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Jimena Maynard

14 June, 12:38

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Adonis Proctor · Answer 1

-converting to a common denominator

The left side was converted the the common denominator 4a.