Question

What is 2 (square root) 45 expressed in simplest radical form?

Answer 1

\[2 \sqrt{45} = 2 \times \sqrt 9 \times \sqrt 5\]

Answer 2

wait let me do that step-by-step...

\[2\sqrt{45} = 2\sqrt{9 \times 5} = 2 \times \sqrt 9 \times \sqrt 5\]

Answer 3

so what is \(\sqrt 9?\)

Answer 4

3?

Answer 5

yup so that is \[2 \times 3 \times \sqrt 5\]

what's 2 x 3?

Answer 6

6

Answer 7

so the simplified form is \(6\sqrt{5}\) got that?

Answer 8

yes . thank you

Answer 9

great! ^_^