Question

How do you simplify `(2+-4sqrt(10))/2`?

Answer 1

See a solution process below:

Explanation:

We can rewrite the expression as:

`2/2 +- (4sqrt(10))/2 =>`

`1 +- (color(red)(cancel(color(black)(4)))2sqrt(10))/color(red)(cancel(color(black)(2))) =>`

`1 +- 2sqrt(10)`