Simplify: (2sqrt6-sqrt3)^2
I need all of the steps.
I need this ASAP because this assignment is due tomorrow.
Thanks
(2 sqrt6)^2 - 2(2sqrt6sqrt3) + (sqrt3)^2
4(6) - 2(2)sqrt6sqrt3 + 3
24 - 4 sqrt(2*3*3) + 3
24 - 12 sqrt3 + 3
27 - 12 sqrt 3
3 (9 - 4 sqrt3)