Answer:
5.86
Step-by-step explanation:
Factor the denominator
x^2+3x-10
(x+5)(x-2)
(x-2)/((x+5)(x-2))
The x-2 in the numerator and denominator cancel out.
Final answer: x+5
It is tripled as well. You are tripling every distance and thus tripling the sum of the distances as well.