equation find plz

Find the unknown in the equation x^2 + 15 = 113. 
The value(s) of the unknown is (are)  . If there is more than one value, then separate the values with a comma.

in Algebra 2 Answers by Level 1 User (280 points)

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1 Answer

x^2+15=113

x^2=113-15...98

x=+-sqrt(98)

=9.89949493661167
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