SOLUTION: Solve the equation for x. log2(x) + log2(x - 1) = 1 I am coming up with x = {2, 1} but the application is telling me to "Check the syntax of your response." Please help. Al

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Question 324938: Solve the equation for x.
log2(x) + log2(x - 1) = 1
I am coming up with x = {2, 1} but the application is telling me to "Check the syntax of your response."
Please help.
Alberto

Answer by nerdybill(7384)   (Show Source): You can put this solution on YOUR website!
I'll assume you meant log base 2:






x = {-1, 2}
.
But wait, -1 is an extraneous solution toss it out. Leaving you with:
x = 2

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