Respuesta :

Answer:

B + or - 2

Step-by-step explanation:

Solve for both. First, use 2:

3(2)^2 = 12

3(4) = 12

12 = 12 (True)

Next, use -2

3(-2)^2 = 12

3(4) = 12

12 = 12 (True)

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