SOLUTION: Lost mom trying to help child and recall how to do this stuff Square and Simplify- square root of 5, plus 2 square roots of 11, and all of that is in parantheses and then squar

Algebra ->  Square-cubic-other-roots -> SOLUTION: Lost mom trying to help child and recall how to do this stuff Square and Simplify- square root of 5, plus 2 square roots of 11, and all of that is in parantheses and then squar      Log On


   

Question 215818: Lost mom trying to help child and recall how to do this stuff
Square and Simplify- square root of 5, plus 2 square roots of 11, and all of that is in parantheses and then square all of that
Found 2 solutions by checkley77, scott8148:
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
(sqrt5+2sqrt11)^2
sqrt5+2sqrt11
sqrt5+2sqrt11
------------------
5+2sqrt55+2sqrt55+4*11
5+4sqrt55+44
5+44+4sqrt55
49+4sqrt55 ans.

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
(√5 + 2√11)^2 ___ (√5 + 2√11) * (√5 + 2√11)

use FOIL ___ First terms, Inside terms ,Outside terms, Last terms

(√5 * √5) + (2√11 * √5) + (√5 * 2√11) + (2√11 * 2√11)

5 + 2√55 + 2√55 + 44

49 + 4√55