Which statement is true about the factorization of 30x2 + 40xy + 51y2?

The greatest common factor of the coefficients 30, 40, and 51 is 1. There is also no variable present in all three terms: the first has x², the middle has xy, and the last has y². So the greatest common factor of the terms is 1, making D, “The greatest common factor of the terms is 1,” true.

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