Question

Simplify this

Answer 1

\[\frac{ a }{ a-1 } + \frac{ 2a }{ a+3 }\]

Answer 2

@Chlorophyll

Answer 3

So common denominator is ...?

Answer 4

Is good.

Answer 5

Start doing Cross Product now: ...

Answer 6

I did

Answer 7

LCD=(a-1)(a+3)

Answer 8

I got \[a ^{2} + 3 a\]
and
\[2a ^{2}\]

Answer 9

2a square - 2a *****

Answer 10

Show me your multiplication step:

Answer 11

Okie, correct !

Answer 12

a x a+3 = \[a ^{2} + 3a\]

Answer 13

and yeah, the other one.

Answer 14

Now, add them!

Answer 15

\[a ^{2} + 3a + 2a ^{2} -2a = 3a ^{2} + a\]

Answer 16

Correct!
Now, plug the common denominator to it!

Answer 17

\[\frac{ 3a ^{2} + a }{ (a-1) + (a+3) }\]

Answer 18

Although that's not in the answers.

Answer 19

Some teacher prefer: a ( 3a + 1) in the numerator!

Answer 20

OH!

Answer 21

Then it's there.

Answer 22

Thanks :)

Answer 23

No, the denominator is the PRODUCT! ( NOT SUM)

Answer 24

I know.

Answer 25

It's a huge typo, you know :(

Answer 26

So, everything's fine now?

Answer 27

For this part :P