Find the GCF of the terms of the polynomial.

4x^3 + 12x - 28

To find the Greatest Common Factor (GCF) of the terms in the polynomial 4x^3 + 12x - 28, we need to first identify the factors of each term.

4x^3 = 2 * 2 * x * x * x
12x = 2 * 2 * 3 * x
-28 = -2 * 2 * 7

The GCF is the product of the common factors with the smallest power of x, which is 2 * 2 = 4.

Therefore, the GCF of the terms in the polynomial 4x^3 + 12x - 28 is 4.