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27-10-2014
Mathematics

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m²-4 =3 Solving quadratics

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27-10-2014

[tex]M^2-4=3\ \ \ \ | add\ 4\ to\ each \ side\\\\ M^2=7\ \ \ \ | \sqrt{}\\\\ |M|=\sqrt{7}\\\\ M=\sqrt{7}\ \ \ or\ \ \ M=-\sqrt{7}[/tex]

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