Question

Simplify.

(5√2 - 1)^2

Answer 1

(5sqrt2 - 1)^2

Answer 2

ok
so
(a-b)^2=a^2-2ab+b^2

Answer 3

First of all, I would like to know, is that the square root of 2 - 1, or are you subtracting 1 from the square root of two?

Answer 4

square root of 2

Answer 5

I dont get it =/

Answer 6

OK, well then I find is easier to read like this { (5√2) - 1 }^2