Question 608177
The GCF of the coefficients 6, -42, and -42 is 6


The GCF of the variable terms x^7, x^6 and x^2 is x^2



So the GCF of everything is 6x^2



Factor out the GCF to get


{{{6x^7 - 42x^6 - 42x^2 = 6x^2(x^5-7x^4-7)}}}

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