Question

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

Answer 1

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

Explanation:

`\bf 3 {x}^(2) = + 27`

• 
  `\bf (3x - 9)(x + 3i)`
• 
  `\bf 3 {x}^(2) +9 xi - 9xi - 27 {i}^(2)`
• 
  `\bf 3 {x}^(2) - 27( {i}^(2) )`
• 
  `\bf 3 {x}^(2) - 27( - 1)`
• 
  `\bf 3 {x}^(2) + 27`

Therefore, B is your answer!!!!