Factoring Quadratics How Nancypi Youtube Learn how to factor quadratic expressions with mit grad nancypi. watch her explain the steps and the shortcut method in this video. Mit grad shows how to solve any quadratic equation by factoring. to skip to the shortcut trick, go to time 6:11. nancy formerly of mathbff explains the steps.
Factoring Quadratics What If You Can T Nancypi Youtube Mit grad explains whether or not you can always factor a quadratic expression. to skip ahead: 1) for whether the "trial and error" method works for factoring. Mit grad explains whether or not you can always factor a quadratic expression. to skip ahead: 1) for whether the "trial and error" method works for factoring all quadratics starting with x^2, skip to 0:12. 2) for whether the "magic x" shortcut method works for factoring all quadratics starting with 2x^2 or 3x^2 or 4x^2, etc, skip to 3:04. When this is the case, you can factor the trinomial on the left side of the equation as follows: figure 04: how to solve quadratic equations by factoring. step one: identify the values of b and c. in this example, the values of b and c are: b=6 & c=8. step two: find two numbers that both add to b and multiply to c. If you have a quadratic expression on top or bottom that has three terms ("trinomial"), you can factor it using trial and error, or the "magic x" trick for factoring. to learn how to factor quadratics, check out my video on factoring. 2) cancel: cross out any factors that are the same on top and bottom, and write what's left behind.
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