SOLUTION: "Can you help me figure out this radical equation?" x equals the square root of x+20

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Question 33225: "Can you help me figure out this radical equation?" x equals the square root of x+20
Answer by sarah_adam(201) About Me  (Show Source):
You can put this solution on YOUR website!
x = sqrt%28x%2B20%29
square both sides
x%5E2= (x+20)
x%5E2- x -20 = 0
x%5E2-5x +4x - 20 =0
x(x-5)+4(x-5)= 0
(x+4)(x-5) = 0
x = -4 or x = 5