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Factoring method for quadratic polynomials
Date Submitted: 09/16/2004 19:38:16
Length: 2 pages (553 words)
Views: 83461
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…you have an expression equaling y, you can substitute it back into the second equation. This will leave you with x(-x+23)=120. When you distribute, you should get -x2+23x+0=120. Then, subtract 120 from each side, simply giving you -x2+23x-120=0. You can then plug into your quadratic formula program, and you will get your two magic numbers. You may then proceed with your factoring. For additional help on factoring, consult your algebra professor (or teacher).
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