Simplify the rational expression.

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Mathematics

Description

Simplify the rational expression.

x² - 3x - 54 / x² - 10x + 9

a.  x + 6 / x - 1

b.  x - 6 / x - 1

c.  x + 6 / x + 1

d.  x + 9 / x + 1

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Explanation & Answer

x² - 3x - 54 / x² - 10x + 9

x²-13x-54/x²+9

x4 - 13x3 + 9x2 - 54
  ————————————————————
           x2     

d.  x + 9 / x + 1


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