Question

Simplify the problem below...

Answer 1

what would you get from 2a-7a?

Answer 2

Uhm... I'm guessing -5a?

Answer 3

right, well, shouldn't be guessing :|, is really simple factoring

Answer 4

not even that, just addition

Answer 5

anyhow, BECAUSE the roots and their content, are the same, then you treat them as a 'literal'

Answer 6

if it were \(
3\sqrt{5} + 4\sqrt{2}
\), then that wouldn't work, because the content isn't the same

Answer 7

@jdoe0001 : Okay... But how do I solve this problem?

Answer 8

hehe, you did already

Answer 9

2a-7a = -5a

Answer 10

Oh? So that's it? Haha

Answer 11

"a" of course being the roots who are the same