# SOLUTION: Which value of x is not allowed in this fraction x^2 ______ 1+2x I was shown

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 Click here to see ALL problems on Inverses Question 477189: Which value of x is not allowed in this fraction x^2 ______ 1+2x I was shown the answer but don't understand why. The explanation didn't make sense, so I am looking for someone else who can explain why the answer is what it is. Answer by Alan3354(31487)   (Show Source): You can put this solution on YOUR website!It's the value of x that makes the denominator zero. Dividing by zero is a VERY BAD THING. ------ 1+2x = 0 x = -1/2 is not allowed