Question

please help
multiply : (3sqrt5 -1)(6sqrt5 -4)


i got sqrt5 +4 but i know its wrong because i dont see that answer as one of my choices

Answer 1

3sqrt5*6sqrt5 - 12sqrt5 + 4

Answer 2

so ? whats that i dont get what your saying

Answer 3

18*5 - 12sqrt5 + 4

= 22 - 12sqrt5

Answer 4

okkkay?

Answer 5

thats ur answer

Answer 6

oh well thats wrong

Answer 7

oops sorry

8*5 - 12sqrt5 + 4

= 40 - 12sqrt5 + 4

= 44 - 12sqrt5

Answer 8

nope