Question

Thanks to whoever can answer the question below

Answer 1

• -3i
• 3i

Explanation:

Divide the equation by 3, subtract 9, take the square root.

3x^2 + 27 = 0

x^2 + 9 = 0 . . . . . divide by 3

x^2 = -9 . . . . . . . . subtract 9

x = ±√(-9) . . . . . . take the square root

x = ±3i . . . . . . . . . use imaginary numbers to express the root