Question

multiply (2 sqrt 5 - 1)(3 sqrt 5+4)

Answer 1

\[\LARGE Multiply (2\sqrt{5}-1)(3\sqrt{5}+4)\]

Answer 2

30-5 sqrt 5.

Answer 3

sorry. answer is 30+5 sqrt 5 :)

Answer 4

That isn't one of the options. Here they are:
\[\Large A) 26-11\sqrt{5}\]
\[\Large B) 26+5\sqrt{5}\]
\[\Large C) 34-11\sqrt{5}\]
\[\Large D) 34+5\sqrt{5}\]

Answer 5

sorry again. answer is 26+5 sqrt 5 :) :) :)

Answer 6

are you sure? Lol

Answer 7

yes i am.

Answer 8

Thanks! :)

Answer 9

welcome. i guess i need a rest :)