Presentation on theme: "5.4 Greatest Common factor and Factoring By Grouping"— Presentation transcript:
15.4 Greatest Common factor and Factoring By Grouping Concepts 1, 2, 3, 4
25.4.1 Factoring Out the Greatest Common Factor Opposite of DistributeGreatest Common Factor: the greatest factor that divides each term evenly.Examples of factors:The factors of 35 are 5 and 7The factors of 21 are 3 and sevenThe greatest common factor of 35 and 21 is 7.
35.4.1 Continued… 15y and 30y2 -5a2b2 and -3ab? What is the greatest common factor of each pairs of monomials?15y and 30y2-5a2b2 and -3ab?Use your answer to factor each of these.15y + 30y2-5a2b2 + -3ab?