7x
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The GCF is 7.
The GCF is 2x2
-14x-7 = 35 -14x = 35+7 -14x = 42 x = -3
It is not possible to give a sensible answer to this question. The greatest common factor (GCF) refers to a factor that is COMMON to two or more numbers or expressions. You have only one expression in the question!
-11