Question

Solve. Write answers as an imaginary number. 3x^2=-12

80 POINTS

Answer 1

Explanation:

3x^2 = -12

• divide both side by 3

x^2 = -4

• Solve the square root.

x = ±√-4

this equation has no real solutions

Answer 2

• x = {- 2i; 2i}

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Given

• Equation 3x² = 12

Solve as below

• 3x² = - 12
• x² = - 4
• x = √-4
• x = ± 2√-1
• x = ± 2i