Solving quadratic equations by factoring (article)
Factoring is a method that can be used to solve equations of a degree higher than 1. This method uses the zero product rule. If ( a)( b) = 0, then . Either ( a) = 0, ( b) = 0, or both. Example 1. Solve x( x + 3) = 0. x( x + 3) = 0 . Apply the zero