Peytondunsmore Peytondunsmore

23-11-2014
Mathematics

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Factorise x^2+6x-7 ?? Help please

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konrad509 konrad509

23-11-2014

[tex]x^2+6x-7=\\ x^2-x+7x-7=\\ x(x-1)+7(x-1)=\\ (x+7)(x-1)[/tex]

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