√(x+(√x)) = 3 How do I solve for X?

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(x + x^1/2)^1/2 = 3 (rewrite radicals as exponents) x + x^1/2 = 9 (square both sides) x^1/2 = 9 - x (isolate exponent on left side) x = x² - 18x + 81 (square both sides) x² - 19x + 81 = 0 (subtract x from both sides) Use quadratic formula to solve for x:  x = (-b +/- (b² - 4ac)^1/2) / 2a    a = 1; b = -19; c = 81