Question

(4-√3)(12+5√3)

Answer 1

48+20sqrt(3)-12sqrt(3)-15
33+8sqrt(3)

Answer 2

how did you get the -15?

Answer 3

\[\sqrt{3}*\sqrt{3}=3\] . multiply that by 5 and you get 15

Answer 4

with the negative sign of course :)

Answer 5

thank you so much(:

Answer 6

np