Question

Will give medal and fan

Answer 1

\[\sqrt{189}-\sqrt{21}+\sqrt{84}\]

the answer choices are...
\[\sqrt{21}\]
\[\sqrt[6]{7}\]
\[\sqrt[4]{21}\]
\[\sqrt[24]{7}\]

Answer 2

I think it is the second one but I'm not sure.

Answer 3

nope second one is not right
how you get that one ???

Answer 4

by messing up apparently. XD

Answer 5

ohh noo

Answer 6

wait

Answer 7

I think \(\sqrt{189}-\sqrt{21}+\sqrt{84}=3\sqrt{21}-\sqrt{21}+2\sqrt{21}=4\sqrt{21}\)

Answer 8

ok I didn't realize that \[\sqrt{21}\] didn't change thank you so much!

Answer 9

yep i think that one but :??

Answer 10

So is it okay if the answer is not an option?

Answer 11

so its

Answer 12

it is an option its c