Question 6922
Factorise the 2 expressions: {{{(x^2-x-6)/(x^2-9)}}} and you should be able to cancel some of the things then...that is the aim. If we cannot, then i would suggest that we have done it wrong and then check your working.


{{{((x-3)(x+2))/((x+3)(x-3))}}}
{{{(x+2)/(x+3)}}}


jon.