SOLUTION: Solve where x is a real number. square root of x + 4 = 1 + square root of x - 1

SOLUTION: Solve where x is a real number. square root of x + 4 = 1 + square root of x - 1

Algebra.Com

Question 39021: Solve where x is a real number.
square root of x + 4 = 1 + square root of x - 1
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
sqrt(x+4) = 1 + sqrt(x-1)
square both sides
x+4 = 1 + 2*sqrt(x-1) + x - 1
4 = 2*sqrt(x-1)
2 = sqrt(x-1)
4 = x - 1
x = 5
and it checks too...
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