Find a negative real number such that the square of th sum if the number and 7 is equal to 1024

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Find a negative real number such that the square of th sum if the number and 7 is equal to 1024.

May 3rd, 2015

Let the number be x.


Square of sum of the number and 7 is equal to 1024



Since it is a negative number, x < 0

So, x = -39 is the solution.


ANSWER:  -39

May 3rd, 2015

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