Question

simply (3 + V7)^2

and report the question too​

Answer 1

Answer:

16+6√7 OR 2(8+3√7)

Step-by-step explanation:

(3+√7)^2

=3^2+2.3.√7+(√7)^2

=9+6√7+7

=16+6√7

=2(8+3√7)