SOLUTION: (5sqrt2-10sqrt5)(4sqrt2+8sqrt5)

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Question 390972: (5sqrt2-10sqrt5)(4sqrt2+8sqrt5)
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,         

(5sqrt2- 10sqrt5)(4sqrt2 + 8sqrt5)

Note: SUM of the inner product and the outer product = 0

Resulting in:

 5sqrt2*4sqrt2 - 10sqrt5*8sqrt5  = 40 - 400 = -360