2 sqrt of 12 time sqrt of 6

12*6
2*36*2
12 sqrt 2

check this problem for me please.

2√12 * √6

= 2√72
= 2√36√2
= 2*6√2
= 12√2

Your final answer is correct, but your between steps have to show the square root sign.
You also have to connect each new line with the previous line with an "=" sign.