Question

What is the simplest form of the radical expression?

Answer 1

Please explain how to do it

Answer 2

its easier than it looks :) just pull out the negative from the top

Answer 3

remember a + b = - (a-b)

Answer 4

remember a + b = - (a-b). Not true

Answer 5

oops! lol sry, wishful thinking

Answer 6

Oh okay I got it, I just looked at the link you posted where someone asked this question before already, thanks!

Answer 7

Simplifying a radical expression means, among other things, not having radicals in the denominator.
(a + b)(a - b) = a^2 - b^2
When you have the sum of two radicals and you multiply it by the difference of the same radicals, you get rid of the radicals.

Answer 8

For example,