martinjada9 martinjada9
  • 16-01-2020
  • Mathematics
contestada

4. (a² + 3) (a² – 3)

Respuesta :

josshyaby
josshyaby josshyaby
  • 16-01-2020

Answer:

Step-by-step explanation:

(a² + 3) (a² – 3)

Opening the bracket

= a^4 - 3a^2 + 3a^2 - 9

= a^4 - 9

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