Question

(4root3 - 3root5)whole square​

Answer 1

Step-by-step explanation:

use I need this rule a minus b the whole square

Answer 2

Answer:

72root15

Step-by-step explanation:

Use identity (a-b)^2 = a^2 + b^2 -2ab

=16*3 + 9*5 - 2* (4root3) * (3root5)

=3*(24root15)

=72root15

Hope it helps :)