Question

How do you simplify `5(sqrt 2) - 2(sqrt 2x) - 4(sqrt 2)`?

Answer 1

The expression can be written as :

`(5sqrt2 - 4sqrt2) - 2sqrt2x`

`= sqrt 2 - 2sqrt2x`

`sqrt2` is common to both the terms in the expression

`= sqrt2(1 - 2x)`

`= color(green)(- (2x - 1)sqrt2`