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Two numbers have a sum of 7 and a product of 4.  What are the two numbers?

 Sep 10, 2020
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x+y = 7      or      y = 7-x

xy = 4       x(7-x) = 4

                7x - x^2 -4 = 0     use Quadratic Formula to find       7/2  +- sqrt (33) /2

 Sep 10, 2020

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