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OpenStudy (anonymous):
t^2 =4 solve
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OpenStudy (annon):
t=2
OpenStudy (anonymous):
-2,2
OpenStudy (anonymous):
t^2-4=0 (t+2)(t-2)=0 t=2,-2
OpenStudy (annon):
t=sqrt(4) = 2
OpenStudy (anonymous):
sqrt(4)= 2,-2
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OpenStudy (annon):
i doubt they talk about +or- numbers if their doing that level math
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