Ralph L. answered 12/08/13
Tutor
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Algebra I, II, Visual Basic, Beginning C++ tutor
√x = √(x + 3) - 1
√x + 1 = √(x + 3)
(√x + 1)2 = (√(x + 3))2
x + 2√x + 1 = x + 3
subtract x from both sides:
2√x + 1 = 3
subtract 1 from both sides:
2√x = 2
square both sides:
4x = 4
divide both sides by 4:
x = 1