davidbuddy0675
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  • 02-04-2021
  • Mathematics
contestada

[tex]Factor: x^2-9[/tex]

Respuesta :

Аноним Аноним
  • 02-04-2021

Answer:

x²-9=x²-3²=(x+3)(x-3)

Step-by-step explanation:

use formula

a²-b²=(a+b)(a-b)

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