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Mathematics 15 Online
OpenStudy (anonymous):

Solve: 25t^2-16=0

OpenStudy (anonymous):

bring 16 to the other side

OpenStudy (anonymous):

divide by 25 we get t^2=16/25 then we square root the 16 and 25 which is t=+-4/5

OpenStudy (anonymous):

square root of (16/25) = sqrt(16)/sqrt(25) = 4/5 or -4/5

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