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A quadratic equation is an equation that contains four terms and is in standard form ax2 + bx + c = 0. For example, 3x2 + 5x - 2 = 0 Solve by factoring the equation: (3x - 1) (x + 2) = 0 Use the Principal of Zero Products (which says that if the product of two factors is zero, then at least one of those factors is zero) to set each one of those factors to zero. Then solve accordingly. (3x - 1) = 0 (x + 2) = 0 3x = 1 x = -2 x = 1/3 These are the solutions.

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