SOLUTION: I need to know the steps in solving {{{(4sqrt(5) + sqrt(2))^2}}} i know the answer --{{{82 + 8sqrt(10)}}} but i don't understand the process of obtaining the answer

Algebra ->  Radicals -> SOLUTION: I need to know the steps in solving {{{(4sqrt(5) + sqrt(2))^2}}} i know the answer --{{{82 + 8sqrt(10)}}} but i don't understand the process of obtaining the answer      Log On


   



Question 371704: I need to know the steps in solving %284sqrt%285%29+%2B+sqrt%282%29%29%5E2 i know the answer --82+%2B+8sqrt%2810%29 but i don't understand the process of obtaining the answer
Answer by robertb(5830) About Me  (Show Source):