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OpenStudy (anonymous):
Solve. log 7 (2x^2 - 1) = log 7 (4x)
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OpenStudy (turingtest):
since the logs are the same on both sides you can simply raise 7 to the power of both sides and they will go away i.e. you can basically ignore the log 7 part and solve for x like a regular quadratic equation
OpenStudy (anonymous):
|dw:1343329043293:dw| @TuringTest
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