kendallknight80
kendallknight80 kendallknight80
  • 24-07-2018
  • Mathematics
contestada

What is the product of 2x-9 and 2x+9

What is the product of 2x9 and 2x9 class=

Respuesta :

lifelearner27 lifelearner27
  • 24-07-2018
B, the product is 4x^2 -81
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Аноним Аноним
  • 24-07-2018

(2x - 9) (2x + 9) = (2x)² - (9)² = 4x² - 81


Answer: (B) 4x² - 81

Answer Link

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