SOLUTION: (sqrt(7) +1) (7sqrt(7)+1)

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Question 318124: (sqrt(7) +1) (7sqrt(7)+1)
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
(sqrt(7) +1) (7sqrt(7)+1)
Let sqrt(7)=x
(x+1)(7x+1)
=7x^2+8x+1
=7*7+8sqrt(7)+1
=8sqrt(7)+50
.
Ed