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Quadratic equation

Hello-- I am having a problem with factoring a quadratic equation. Here is the question
Please do a problem like this--maybe 4x^2-11x+8=0 because I would like to work this out myself but I would like more of an idea of what I am doing wrong so I can practice and get the correct answer. Thank you very much.

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The correct steps to solve this kind of question is as ...

Solution Summary

This shows one method of solving a quadratic equation.