Question 46414
2x*3x=6x^2 this is the numerator
(X^2-9) can be rewritten as (x+3)*(x-3)
(X^2+4x+3) can be rewritten as (x+3)*(x+1)

put it all together

6x^2/(x+3)*(x-3)*(x+3)*(x+1)

Combine the two (X+3) expressions and you get answer

6x^2/(x+3)^2 * (x-3)*(x+1)