SOLUTION: (x+4)^(1/2)+5x(x+4)^(3/2)=0

Algebra ->  Equations -> SOLUTION: (x+4)^(1/2)+5x(x+4)^(3/2)=0      Log On


   

Question 359426: (x+4)^(1/2)+5x(x+4)^(3/2)=0
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
%28x%2B4%29%5E%281%2F2%29%2B5x%28x%2B4%29%5E%283%2F2%29=0
sqrt%28x%2B4%29%2A%281%2B5x%28x%2B4%29%29+=+0
sqrt%28x%2B4%29%2A%281%2B5x%5E2%2B20x%29+=+0,
therefore . Also x = -4.
x=%28-10%2B-sqrt%2895%29%29%2F5, and x=-4 are the final answers.