1. Factorize the polynomial $21pq + 14q - 28qr$.
2. Identify the greatest common factor (GCF) of all terms.
3. The terms are $21pq$, $14q$, and $-28qr$.
4. The GCF of coefficients 21, 14, and 28 is 7.
5. The common variable factor is $q$.
6. Factor out $7q$:
$$21pq + 14q - 28qr = 7q(3p + 2 - 4r)$$
This is the fully factorized form.
Final answer: $$7q(3p + 2 - 4r)$$
Factorize Polynomial 9667A7
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