How do I check both solutions (see below)

[From: ] [author: ] [Date: 11-04-23] [Hit: ]

x^2=100

sq.x^2 = +/- sq.100
x= +/-10
x= +10
Or
x= -10

-10^2 = 100
10^2 = 100
Both solutions are true.

how old are you?

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