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OpenStudy (anonymous):
Solve for x. x^2=225
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OpenStudy (anonymous):
What's the square root of 225?
OpenStudy (anonymous):
\[x^2=a,x=\pm \sqrt{a}\]
OpenStudy (anonymous):
15?
OpenStudy (timaashorty):
Correct(:
OpenStudy (anonymous):
also x=-15
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