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  • 22-12-2020
  • Mathematics
contestada

Expand & simplify
(9x - y) (9x + y)​

Relax

Respuesta :

Аноним Аноним
  • 22-12-2020

Answer:

[tex]81x^{2}- y^{2}[/tex] this is the answer

Step-by-step explanation:

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