Question

(12 square root 5 - 7 square root 7) + (6 square root 5- 7 square root 7)

the options are:

18 square root 5 -14 square root 7
18 square root 10 - 14 square root 14
5 square root 2 - square root 12

Answer 1

and 4 square root 10 is the last option

Answer 2

its A

Answer 3

You do not appear to be learning how to do these problems.
What part don't you understand?

Answer 4

I am continuely having trouble with cube root and quad rooting

Answer 5

@nitz thank you for your help

Answer 6

@phi are you in mit?