lulu856 lulu856

11-09-2018
Mathematics

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if eleven is added to the square of a number, the results is sixty. find all such numbers

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shamiyarobinson shamiyarobinson

11-09-2018

x^2 + 11 = 60 {11 is added to the square of a number to get 60}

x^2 = 49 {subtracted 11 from both sides}

x = 7 or -7 {took square root of both sides}

the numbers are 7 and -7

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