Question

Adding and Subtracting Radical Expressions

Answer 1

the last one.
Just add terms with same root

Answer 2

thank you! :)

Answer 3

can i ask you another one?

Answer 4

shoot

Answer 5

sqrt45=sqrt(9*5)=3sqrt5
sqrt28=sqrt(4*7)=2sqrt7
next just add terms with same root

Answer 6

the first one!

Answer 7

third one

Answer 8

oh.... :/

Answer 9

how would i solve this one?

Answer 10

\[\sqrt[3]{24}+\sqrt[3]{81}-\sqrt[3]{54}=2\sqrt[3]{3}+3\sqrt[3]{3}-3\sqrt[3]{2}=5\sqrt[3]{3}-3\sqrt[3]{2}\]

Answer 11

thank you! :)

Answer 12

yw

Answer 13

would i do the same with the sqr roots here?

Answer 14

yes

Answer 15

can i try it, and ill let you know what i got?

Answer 16

k, just hurry i leave in 2 min

Answer 17

i got the 3rd one

Answer 18

should be second one

Answer 19

thanks for all your help! sorry for holding you up

Answer 20

yw