16-04-2018
Mathematics

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solve x^2-2x-35=0

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16-04-2018

[tex]x^2-2x-35=0\\x^2+5x-7x-35=0\\x(x+5)-7(x+5)=0\\(x+5)(x-7)=0\\ x=-5\;or\;x=7[/tex]

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