Factoring method for quadratic polynomials
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Words: 553
Pages: 2
(approximately 235 words/page)
Pages: 2
(approximately 235 words/page)
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showed first 75 words of 553 total
showed last 75 words of 553 total
…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).
…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).
