Question

Given the equation Square root of 2x plus 1 = 3, solve for x and identify if it is an extraneous solution. ----- Need help!

Answer 1

sqrt(2x = 1) = 3

first step is to square both sides

Answer 2

Please carry out the following operations:

\[[\sqrt{2x+1}~]^2=[3]^2\]

Answer 3

Next, solve the resulting equation for x.

Answer 4

How many solutions have you found?

Substitute this solution / these solutions back into the original equation. Is it now true or false?