Question

Simplify sqrt72 - sqrt147- 5sqrt8 + 3sqrt48

Answer 1

options are -2sqrt35
sqrt5
-8 + 5sqrt6
-4sqrt2 + 5sqrt3

Answer 2

2\[2\sqrt{18}- \sqrt{147}-5\sqrt{8}+3*4\sqrt{3}\]

Answer 3

\[\sqrt{147}= 7\sqrt{3}\]

Answer 4

thanks but.... that's not one of my options

Answer 5

oh wait

Answer 6

i see waht u did

Answer 7

nvm im confused can you explain please

Answer 8

i have just reduced now you can simplify

Answer 9

\[2\sqrt{18}=2*3\sqrt{2}\]=\[6\sqrt{2}\]

Answer 10

\[5\sqrt{8}=5*2\sqrt{2}=10\sqrt{2}\]

Answer 11

finally you'll get \[6\sqrt{2}-7\sqrt{3}-10\sqrt{2}+4\sqrt{3}= -4\sqrt{2}-3\sqrt{3}=-(4\sqrt{2}+3\sqrt{3})\]

Answer 12

hope you're done now

Answer 13

i got -4sqrt2 + 5sqrt3

Answer 14

nope it's -4sqrt2-3sqrt3

Answer 15

no uts 5 sqrt 3 you were supposed to add 3 sqrt 3

Answer 16

i mean 3 sqrt 48

Answer 17

okay...