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OpenStudy (anonymous):
5. What are the solutions to the equation x2 + 2 = 102?
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OpenStudy (pfenn1):
Solve your equation for x. Do you know how to do that?
OpenStudy (anonymous):
no
OpenStudy (pfenn1):
\[x^2 +2 =102\]Subtract 2 from each side and what do you get?
OpenStudy (anonymous):
0
OpenStudy (anonymous):
100
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OpenStudy (pfenn1):
Okay.\[x^2+2-2=102-2\]
OpenStudy (pfenn1):
\[x^2=100\] what is x?
OpenStudy (anonymous):
10
OpenStudy (pfenn1):
Great!
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