This method is similar to grouping to solve quadratic Equations, with a leading coefficient equal to 1. x 1 : 4 x = 0 x 1 = 0 x 2 : 3 x + 2 = 0 x 2 = - 2 3įactoring by taking out Common Factors can also be used. 4 x ( 3 x ) + 4 x ( 2 ) = 4 x ( 3 x + 2 ) = 0 Step 5 (solving the quadratic equation): Equate the factored expression to 0 and solve for the x-intercepts.
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