Respuesta :

To group pairs of terms in the given expression, we can rearrange the terms to make it easier:

x^2 + 4x - 3x - 12

Now, let's group the terms:

(x^2 + 4x) + (-3x - 12)

By grouping the terms, we have two pairs: (x^2 + 4x) and (-3x - 12).

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