SOLUTION: I worked the following problem and came up with -5. I'm not sure if I am right: (sqrt3 + 2 sqrt2)(sqrt3 - 2 sqrt2)

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Question 32911: I worked the following problem and came up with -5. I'm not sure if I am right:
(sqrt3 + 2 sqrt2)(sqrt3 - 2 sqrt2)
Answer by sarah_adam(201) About Me  (Show Source):
You can put this solution on YOUR website!
You are right as the equation can be written as %28sqrt%283%29%29%5E2+-+%282sqrt%282%29%29%5E2
according to the formula (a+b)(a-b) = (a^2 - b^2)
therfore upon solving you get 3 - 4*2 = 3 - 8 = - 5