Part A Directions: Find the greatest common factor in the following polynomials. 1. 5xy +10xy~ + 5x 2. 4y + xy2 + 6y 3. ab + 2a2b2 + 3ab 4. 9xyz + 3xy4z+ 3xy2 + 6xz 5. 4ab + 5ba2 + 3b 6. 2yx + 10yz9 + xy4 + 5xy2 7. 4mn702 + 8n20+ 16mn302 + 12mn302 - 20mno 8. - 3xy z + xyz3 + 2xyz3 + z 9. 2ab5 - 12ab3 + 4ab2 + 18 62 10. 3ab5 + 15ab3 + 5ab2 - 3ab2- 5b Part B Directions: Divide the following polynomials by the monomials listed. Don't worry about listing your answers in descending order. 11. (6s412 +10st - 4st2) - 2st 12. (4xy2+ 4xy4 + 12xy2) - 4xy2 13. (5m2n2 + 5mno3 + 5mno2) - 5mn 14. (145412 - 75412 + 1212) - t 15. (4mn 02 - 16mn302 + 12mn30 + 8mn20) = 4mno 16. (- 3xy z + xyz3 + 2xyz) = yz 17. (84ab5 - 12ab3 + 4ab2 + 18b2) - 262 18. (30ab5 + 15ab3 + 5ab2 - 105ab2- 75ab) - 5ab