Question

simplifying

Answer 1

\[\sqrt{45}+\sqrt{20}-\sqrt{5}\]

Answer 2

is it 4\[\sqrt{5}\]

Answer 3

bring each term in terms of root(5)

Answer 4

yeswell done

Answer 5

hey @helpme9283 If what you're doing is just this, there's a faster way of checking your answers:
http://www.wolframalpha.com/input/?i=%E2%88%9A20%2B%E2%88%9A45%E2%88%92%E2%88%9A5