SOLUTION: Given x=(4+ sqrt y)/3 then re-arranging to get 3x -4 = sqrt y, please explain why (3x-4)^2 is correct and not 9x^2-16?
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Question 728826: Given x=(4+ sqrt y)/3 then re-arranging to get 3x -4 = sqrt y, please explain why (3x-4)^2 is correct and not 9x^2-16? Answer by solver91311(24713) (Show Source):
