29-03-2017
Mathematics

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I am trying to solve a equation by completing the square

the problem is m^2+7m-294=0

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dionnaxo dionnaxo

29-03-2017

two numbers that multiply to get 294 and subtract to get 7 are 21 and 14. So it will be (m+21) (m-14)=0. M then equals -21 and 14

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