Were asked to solve for s and we have s squared minus 2s minus 35 is equal to 0 now if this is the first time that youve seen this type of whats essentially a quadratic equation you might be tempted to try to solve for s using traditional algebraic means but the best way to solve this especially when its explicitly equal to 0 is to factor the left hand side and then think about the . If the product of factors is equal to anything non zero then we can not make any claim about the values of the factors therefore when solving quadratic equations by factoring we must always have the equation in the form quadratic expression equals zero before we make any attempt to solve the quadratic equation by factoring. Mit grad shows how to solve any quadratic equation by factoring to skip to the shortcut trick go to time 611 nancy formerly of mathbff explains the steps. Solving quadratic equations by factoring the general form of a quadratic equation is ax 2 bx c 0 where x is the variable and a b c are constants
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