Solving a quadratic equation: AC method

He did a nice presentation. However the presented guessing method is not the A*C Method as the lesson title said. There is a &quot;New A*C Method to solve quadratic equations&quot; (Google, Yahoo, Bing Search) that may be the fastest and simplest method for solving quadratic equations (that can be factored).<br /> Its strong points are: simple, fast, systematic (no guessing), no factoring by grouping, and no solving binomials.<br /> Links: The Mathematics Magazine/new articles; mathconcentration.com/forum/nghinguyen; Adobe-edu-exchange/resources/nghinguyen; Linkedin/nghinguyen/posts