What is the greatest common factor of the terms in the polynomial 4 x to the 4th power minus 32 x cubed minus 60 x squared ?

The greatest common factor of the coefficients 4, 32, and 60 is 4. The smallest power of x in the terms is x squared, since the powers are 4, 3, and 2. Therefore, the greatest common factor is 4x², which is choice 4 x squared.

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