Question

I am stuck at one pat here:

Simplify:

3 square root of 5 end root minus 2 square root of 2 end root plus square root of 45 end root minus square root of 28

2 square root of 12

2 square root of 2

6 square root of 5 end root minus 4 square root of 7

6 square root of 10 end root minus 4 square root of 14

A B C or D?

Answer 1

one part*

Answer 2

:$

Answer 3

http://hillsborough.flvs.net/webdav/assessment_images/educator_algebra2_v10/04_02c_06_01.gif

Answer 4

3sqrt(5) -2sqrt(2) + sqrt(45) - sqrt(28) ?

Answer 5

yea look in link to be sure

Answer 6

:-

Answer 7

The link doesn't work

Answer 8

As far as I am aware, you can only add the square roots if they are the same
For example: 3sqrt(2) + 4sqrt(2) = 7sqrt(2)

I don't see any common values