Article: x = -b (b2 - 4ac)---------------------2a We obtain the expression:x = -4 (42 - 411) / 2 You should get two x values. As shown above, we obtain two answers: x = -2 + (3) or x = -2 - (3) Plug the x values you obtained into two polynomial expressions as the constants. These will be your factors. If we call our two answers h and k, we're writing two factors like so:(x - h)(x - k) In this case, our final answer is:(x - (-2 + (3))(x - (-2 - (3)) = (x + 2 - (3))(x + 2 + (3))
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Plug the corresponding values into the quadratic formula: Solve for x. Use your value for x to figure out the factors.