SOLUTION: Combine: (2√7+√2)(3√7-4√2)

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Question 43116This question is from textbook INTERMEDIATE ALGEBRA
: Combine: (2√7+√2)(3√7-4√2) This question is from textbook INTERMEDIATE ALGEBRA

Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Let us FOIL this, so that
(2√7 + √2)(3√7 - 4√2) =
6√49 - 8√14 + 6√14 - 4√4 =
6*7 - 2√14 - 4*2 =
34 - 2√14