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X= -4√x+12 (Shake)

Quote: Originally Posted by HappyFeet x= -4√x+12 (Shake) now, squaring both sides and solve the quadratic eqn.

Quote: Originally Posted by HappyFeet X= -4√x+12 (Shake) What are you trying to do? Solve for x? Then: . One of the solutions to this equation is the solution to , the other is not (it's an extraneous solution and is in fact the solution to ).