Question

Add simplify your answer.
3x+8 4
________ + _________
x^2-16 x^2-16

Answer 1

\[\frac{3x+8 + 4}{x^2 - 16} \to \frac{3x+12}{x^2 - 16}\to \frac{3(x+4)}{(x-4)(x+4)} \to solve.\]

Answer 2

I don't understand your answer saifoo.khan, sorry.

Answer 3

No worries!
Where are you stuck?

Answer 4

How did you combine the two?

Answer 5

Did you just bring over the 4?

Answer 6

same as,

1/2 + 3/2

We look for common denominators.

(1+3)/2

4/2

Answer 7

which 4?

Answer 8

3x+8 4 <--- this 4
________ + _________
x^2-16 x^2-16

Answer 9

that's in the question, isn't it?

Answer 10

Yes, I think I understand this now. Let me re look it.

Answer 11

Sure.
dont forget to hit good answer.

Answer 12

Wait hold one, where did the 12 and 16 go?

Answer 13

on* not one

Answer 14

3x+12 can be written as,
3(x+4)
-taking 3 common


and
x^2-16 can be written as
(x-4)(x+4)

Answer 15

Oh ok. Thank you, you helped me a lot. :D

Answer 16

welcome. :D