Question 81336
{{{(x^2+6x-40)/(x^2-100)}}}
Try factoring the numerator and denominator so that you will have an opportunity to cancel some terms:
{{{(x+10)(x-4)/(x+10)(x-10)}}}
Now, you can see that the (x+10) terms can be cancelled, and you are left with:
{{{highlight((x-4)/(x-10))}}}
Good Luck,
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