An algebra problem by Nathan Laurence

Algebra Level pending

What is the sum of the possible values of x x in which x 2 = 49 x^2 = 49 ?


The answer is 0.

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1 solution

Nathan Laurence
Nov 18, 2016

x 2 = 49 x^2 = 49 ; x = 7 , 7 x = 7, -7 ; Hence, 7 + (-7) = 0

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