armaanrasul321 armaanrasul321
  • 22-07-2022
  • Mathematics
contestada

Which of the following expressions is equal to 3x² +27?

Which of the following expressions is equal to 3x 27 class=

Respuesta :

Hope008
Hope008 Hope008
  • 22-07-2022

Answer:

B. (3x - 9) (x + 3i)

Step-by-step explanation:

[tex]\bf 3 {x}^{2} = + 27[/tex]

  • [tex]\bf (3x - 9)(x + 3i)[/tex]
  • [tex]\bf 3 {x}^{2} +9 xi - 9xi - 27 {i}^{2} [/tex]
  • [tex]\bf 3 {x}^{2} - 27( {i}^{2} )[/tex]
  • [tex]\bf 3 {x}^{2} - 27( - 1)[/tex]
  • [tex]\bf 3 {x}^{2} + 27[/tex]

Therefore, B is your answer!!!!

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