Question 334639
(3x+3)/(15x^2+24x+9) 
 solution:

(3x+3) =3(x+1)
15x^2 +24x+9 =3(5x^2+8x+3)
            =3(x+1)(5x+3) by factoring

(3x+3)/(15x^2+24x+9) 
 
=3(x+1)/3(x+1)(5x+3)
=1/(5x+3)