WendellHoppin556 WendellHoppin556

18-07-2014
Mathematics

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How would you algebraically factor x squared minus 15?

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Аноним Аноним

18-07-2014

[tex]Use:a^2-b^2=(a-b)(a+b)\\-----------------------\\\\x^2-15=x^2-(\sqrt{15})^2=(x-\sqrt{15})(x+\sqrt{15})[/tex]

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