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Bunuel, at 1st place why are you squaring both sides when we know that square root have a value of 1/2 which eventually cancels out the square. \sqrt{(x+4)^2=3} so this leaves me with x+4=3 and x=-1. What is wrong with my approach. I know that I don't have an option of -5 in the answer but still my solution is correct.

Bunuel, at 1st place why are you squaring both sides when we know that square root have a value of 1/2 which eventually cancels out the square. \sqrt{(x+4)^2=3} so this leaves me with x+4=3 and x=-1. What is wrong with my approach. I know that I don't have an option of -5 in the answer but still my solution is correct.

Re: If ((x+4)^2)^1/2=3, which of the following could be the [#permalink]
15 Oct 2014, 15:34

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