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

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Joseluisbz asked Feb 17, 2022

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

Mathematics
high-school

Joseluisbz asked Feb 17, 2022

by Joseluisbz

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Answer:

Explanation:

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

Calfater answered Feb 19, 2022

by Calfater

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15 votes

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Explanation:

Alxcyl answered Feb 21, 2022

by Alxcyl

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