SOLUTION: Simplify {sqrt[3] + sqrt[5]}^2 I am working on these and am totally lost on how to do them.

Algebra ->  Square-cubic-other-roots -> SOLUTION: Simplify {sqrt[3] + sqrt[5]}^2 I am working on these and am totally lost on how to do them.       Log On


   

Question 1029824: Simplify {sqrt[3] + sqrt[5]}^2
I am working on these and am totally lost on how to do them.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Start here,
%28a%2Bb%29%5E2=a%5E2%2B2ab%2Bb%5E2
Substitute,

%28sqrt%283%29%2Bsqrt%285%29%29%5E2=3%2B2sqrt%2815%29%2B5
%28sqrt%283%29%2Bsqrt%285%29%29%5E2=8%2B2sqrt%2815%29
%28sqrt%283%29%2Bsqrt%285%29%29%5E2=2%284%2Bsqrt%2815%29%29