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What is the sum of 3/x^2-9+(5/x+3)

What is the sum of 3/x^2-9+(5/x+3)
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What is the sum of 3/x^2-9+(5/x+3)

User Dmitry Gladkov
by
7.5k points

2 Answers

0 votes

Answer:

Explanation:


(3)/(x^2-9) +(5)/(x+3) \\=(3)/((x+3)(x-3)) +(5)/(x+3) \\=(3+5(x-3))/((x+3)(x-3)) \\=(3+5x-15)/(x^2-9) \\=(5x-12)/(x^2-9)

User BVengerov
by
6.9k points
4 votes

Answer:

D

Explanation:

User CharmingToad
by
7.8k points
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