Weegy: The GCF here is 4
User: Factor out the GCF 7y^4 +21y^3
Weegy: 7y^(4)+21y^(3)...
Factor out the GCF of 7y^(3) from each term in the polynomial.
7y^(3)(y)+7y^(3)(3)...
Factor out the GCF of 7y^(3) from 7y^(4)+21y^(3).
7y^(3)(y+3)...
The GCF (Greatest Common Factor) is the term in front of the factored [ expression.
7y^3 is the GCF. ]
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