SOLUTION: Solve
√(x+1)+5=x+4
Algebra.Com
Question 633773: Solve
√(x+1)+5=x+4
Found 2 solutions by stanbon, MathTherapy:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Solve
√(x+1)+5=x+4
----
sqrt(x+1) = x-5
---
Square both sides to get:
x+1 = x^2 - 10x +25
x^2 -11x + 24 = 0
---
Factor:
x^2 - 3x - 8x + 24 = 0
x(x-3) - 8(x-3) = 0
----
(x-3)(x-8) = 0
----
x = 3 or x = 8
================
Cheers,
Stan H.
Answer by MathTherapy(10552) (Show Source): You can put this solution on YOUR website!
Solve
√(x+1)+5=x+4
--- Subtracting 5
------ Squaring both sides of equation
x(x - 3) = 0
x = 0 or x - 3 = 0
or
Howewer, when substituting 0 for x in original equation, x = 0 proves to be an ENTRANEOUS solution, so the only solution is
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