[tex]\large\mathbb{SOLUTION :}[/tex]

1. The common monomial factor of 4a + 28 is 4.

2. The remaining factor of 4a + 28 would be (a + 7).

3. The factored form of 4a + 28 is 4(a + 7).

4. The common monomial factor of 6y - 18 is 6.

5. The remaining factor of 6y - 18 would be (y - 3).

6. The factored form of 6y - 18 is 6(y - 3).

7. The common monomial factor of 10x² - 5x is 5x.

8. The remaining factor of 10x² - 5x would be (2x - 1).

9. The factored form of 10x² - 5x is 5x(2x - 1).

10. The common monomial factor of m²n² + mn is mn.

11. The remaining factor of m²n² + mn would be (m + 1).

12. The common monomial factor of 8x⁵y⁷ - 20x³y⁶ is 4x³y⁶.

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