destinysims562 destinysims562

11-01-2015
Mathematics

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quadratic formula for 2x^2-7x-15 step by step

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konrad509 konrad509

11-01-2015

[tex]2x^2-7x-15=\\ 2x^2+3x-10x-15=\\ x(2x+3)-5(2x+3)=\\ (x-5)(2x+3)[/tex]

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