brirhodes
brirhodes brirhodes
  • 20-04-2020
  • Mathematics
contestada

Factor completely. x^4 - 9.

Respuesta :

jb417902
jb417902 jb417902
  • 21-04-2020

Answer:

[tex](x^2+3)(x^2-3)[/tex]

Step-by-step explanation:

Since both are perfect squares use the difference of squares formula [tex]a^2-b^2=(a+b)(a-b)[/tex] with a = [tex]x^{2}[/tex] and b = 3

=[tex](x^2 +3)(x^2-3)[/tex]

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