SOLUTION: Please help me solve this [[[ (sqrt(10) + sqrt(8))(sqrt(10)-sqrt(8))]]] I tried doing (sqrt(10) + sqrt(4) sqrt(2))(sqrt(10)-sqrt(4)sqrt(2))

Algebra ->  Radicals -> SOLUTION: Please help me solve this [[[ (sqrt(10) + sqrt(8))(sqrt(10)-sqrt(8))]]] I tried doing (sqrt(10) + sqrt(4) sqrt(2))(sqrt(10)-sqrt(4)sqrt(2))      Log On


   

Question 635610: Please help me solve this [[[ (sqrt(10) + sqrt(8))(sqrt(10)-sqrt(8))]]]
I tried doing (sqrt(10) + sqrt(4) sqrt(2))(sqrt(10)-sqrt(4)sqrt(2))
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
%28sqrt%2810%29+%2B+sqrt%288%29%29%28sqrt%2810%29-sqrt%288%29%29

This is in the form of (a+b)(a-b) identity
(a-b)(a+b) = a^2-b^2
%28sqrt%2810%29%29%5E2-%28sqrt%288%29%29%5E2

10-8
=2