SOLUTION: Can you help me solve for x? {{{sqrt(x^2+2)=x+4}}}

Question 311736: Can you help me solve for x?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!

Square both sides, (FOIL the right side
x^2 + 2 = x^2 + 8x + 16
:
combine the x's on the left
x^2 - x^2 - 8x = 16 - 2
:
-8x = 14
x =
x = -1.75
:
:
Check solution in original equation

2.25 = 2.25
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