SOLUTION: if f(x)=x^2, find f(5-sqrt2) show work please

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Question 35614: if f(x)=x^2, find f(5-sqrt2)
show work please
Answer by fractalier(2101) About Me  (Show Source):
You can put this solution on YOUR website!
If f(x) = x^2, then
f(5 - sqrt(2)) = (5 - sqrt(2))^2 =
(5 - sqrt(2)) * (5 - sqrt(2)) =
25 - 5*sqrt(2) - 5*sqrt(2) + 2 =
27 - 10*sqrt(2)