Respuesta :

Answer:x=-2

Step-by-step explanation:

3 x -2^2

3 x -4 = -12

blackshades

Answer:

[tex]3 {x}^{2} = - 12 \\ {x}^{2} = - 12 \div 3 \\ {x}^{2} = - 4 \\ x = \sqrt{ - 4 } \\ x = \frac{ + }{} 2[/tex]

Option D, hope it helps!

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