SOLUTION: the square root of 5x=4+the square root of x-4

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Question 301930: the square root of 5x=4+the square root of x-4
Answer by london maths tutor(243) About Me  (Show Source):
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Note: square root = ^(1/2)
[5x^(1/2)] = 4 + [(x-4)^(1/2)]
Taking square of every terms throughout the equation
This becomes:
5x = 16 + x - 4
5x-x=12
4x = 12
x = 12÷4
x = 3