SOLUTION: Can someone help me solve the problem x/3=4/x+1?

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Question 330150: Can someone help me solve the problem x/3=4/x+1?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
x%2F3=4%2F%28x%2B1%29
Multiply both sides by 3%28x%2B1%29.
x%28x%2B1%29=12
x%5E2%2Bx-12=0
%28x%2B4%29%28x-3%29=0
Two solutions:
x%2B4=0
highlight%28x=-4%29
.
.
.
x-3=0
highlight%28x=3%29