Answers

2016-07-13T22:43:34+08:00
Disadvantage: Solving by completing the square, the formula for c is (b/2)^2; There are certain equations in which c (in ax^2+bx+c) may result as an improper fraction (e.g 13/4) which will make solving for roots harder since fractions may be confusing af.
Advantage: You can solve for the roots :D
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