Question

how do you work this?

[(5x+15)/(10x-10)] / [(x^2+6x+9)/(3x^2-3)]

Answer 1

well simplify each fraction separately

Answer 2

will make life much easier

Answer 3

((5 x+15) (3 x^2-3))/((10 x-10) (x^2+6 x+9))

Answer 4

I know. I can simplify everything except the 3x^2-3. Can you simplify it?

Answer 5

yea it becomes 3(x-1)(x+1)

Answer 6

well if u factor it

Answer 7

Oh, got it. Thanks.

Answer 8

\[\frac{5(x+3)}{10(x-1)}\times\frac{3(x-1)(x+1)}{(x+3)(x+3)}=\frac{3(x+1)}{2(x+3)}\]

Answer 9

Merts is awesome