- Joined
- May 25, 2016
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hey there guys,
i have a question in QR in dat destroyer question 38.
solve for x : radical x+5 = x -1
i solved it and got the roots as 4 and -1. i understand we have to plug it in. why is 4 the only answer? -1 could work. the square root of 4 could be + and - 2.
thanks!
i have a question in QR in dat destroyer question 38.
solve for x : radical x+5 = x -1
i solved it and got the roots as 4 and -1. i understand we have to plug it in. why is 4 the only answer? -1 could work. the square root of 4 could be + and - 2.
thanks!