Question

Help
Simplify, rationalize denominators:
3 radical 18 + 2 radical 72

Answer 1

waiting yyyyyyyyyyyaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaarrrrrrrrrrrrrrr

Answer 2

\[3\sqrt{18} + 2\sqrt{72}\]

Answer 3

\[21\sqrt{2}\]

Answer 4

how

Answer 5

Good question. lol.

Answer 6

\[3\sqrt{18}+2\sqrt{72} = 3\sqrt{9}\sqrt{2}+2\sqrt{9}\sqrt{4}\sqrt{2} = 3x3\sqrt{2}+2x3x2\sqrt{2} = (9+12)\sqrt{2} = 21\sqrt{2}\]