Question

Simplify:
3√5 + √5

Can somebody simplify this, and explain to me how to do a problem like this? Thanks.

Answer 1

do you know how to collect like terms?

Answer 2

Yes. Why?

Answer 3

\[\sqrt{5}\] is a like term

Answer 4

let x = sqrt 5
3x + x = ....

Answer 5

I wasn't sure, but that's what I was going to do. Are you saying the answer is 3√10?

Answer 6

no

Answer 7

look above ^

Answer 8

Okay.

Answer 9

if 3x + x = 4x
and x = sqrt 5
then 4sqrt5 is your ans

Answer 10

does that make sense?

Answer 11

Nope.

Answer 12

Explain a bit?

Answer 13

3sqrt5 + 1sqrt5 is basically
3 x sqrt5 + 1 x sqrt5 so that means
(3 + 1) x sqrt5 so that equals to
4sqrt5

Answer 14

the x 's are multiplication signs

Answer 15

Oh. Damn, that's simple. Can't believe I didn't understand it before. Well thanks.

Answer 16

np