Respuesta :

Itz5151

Answer:

  • [tex]- \: \cfrac{ 81 {y}^{2} + 9 {}^{} }{y {}^{} } [/tex]

Step-by-step explanation:

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9y/y^2 − 81

  • [tex] \cfrac{ - 81 {y}^{2} + 9y {}^{} }{y {}^{2} } [/tex]
  • [tex] - \: \cfrac{ 81 {y}^{2} + 9 {}^{} }{y {}^{} } [/tex]

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