Respuesta :

Good evening ,

Answer:

4x² − 81 = (2x)² - 9² = (2x-9)(2x+9)

:)

Answer:

The answer for this question is : [tex](2x+9)(2x-9)[/tex]

Step-by-step explanation:

[tex]=4x^2-81\\=(2x+9)(2x-9)[/tex]

Hope this helped!

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