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Algebra
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OpenStudy (danieladiaz5):
Given the equation Square root of 2x plus 1 = 3, solve for x and identify if it is an extraneous solution. ----- Need help!
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OpenStudy (welshfella):
sqrt(2x = 1) = 3 first step is to square both sides
OpenStudy (mathmale):
Please carry out the following operations: \[[\sqrt{2x+1}~]^2=[3]^2\]
OpenStudy (mathmale):
Next, solve the resulting equation for x.
OpenStudy (mathmale):
How many solutions have you found? Substitute this solution / these solutions back into the original equation. Is it now true or false?
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