Question

please simplify this for me its really urgent​

Answer 1

We have to use a identity which is

(a+b)(a-b) = a^2 - b^2

(3+√3)(3-√3) = 3^2 - √3 ^2

= 9 -3

= 6

Answer 2

by using the formula (a+b) (a-b) = a2 - b2
32 - root 32
9 - 3
6