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18-05-2017
Mathematics

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X^2+6X=16 is a quadratic equation what are the solutions?

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20kn98326 20kn98326

18-05-2017

The answer is 2,-8.
But I am not sure. Hope this will help you!

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mjankiewicz mjankiewicz

18-05-2017

[tex]x^2+6x=16\\\\ (x+3)^2-9=16\\\\ (x+3)^2=5^2\\\\x+3=5 \ or x+3=-5\\\\ x=2\\\\or x=-8[/tex]

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