SOLUTION: Simplify each expressions. Assume all variables represent positive numbers. (4+ sqrt3)^2

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Question 351730: Simplify each expressions. Assume all variables represent positive numbers.
(4+ sqrt3)^2
Found 2 solutions by Fombitz, vleith:
Answer by Fombitz(13828) About Me  (Show Source):
You can put this solution on YOUR website!
%284%2B+sqrt%283%29%29%5E2=%284%2B+sqrt%283%29%29%284%2B+sqrt%283%29%29
Use the FOIL method,
%284%2B+sqrt%283%29%29%5E2=16%2B4sqrt%283%29%2B4sqrt%283%29%2B3
%284%2B+sqrt%283%29%29%5E2=19%2B8sqrt%283%29

Answer by vleith(2825) About Me  (Show Source):