170 likes | 329 Views
5.4 Greatest Common factor and Factoring By Grouping. Concepts 1, 2, 3, 4. 5.4.1 Factoring Out the Greatest Common Factor. Opposite of Distribute Greatest Common Factor: the greatest factor that divides each term evenly. Examples of factors: The factors of 35 are 5 and 7
E N D
5.4 Greatest Common factor and Factoring By Grouping Concepts 1, 2, 3, 4
5.4.1 Factoring Out the Greatest Common Factor • Opposite of Distribute • Greatest Common Factor: the greatest factor that divides each term evenly. • Examples of factors: • The factors of 35 are 5 and 7 • The factors of 21 are 3 and seven • The greatest common factor of 35 and 21 is 7.
5.4.1 Continued… • 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?
5.3.4 Factor By Grouping • Multiply the following Binomials:
5.4.4 Factor By Grouping • Always factor out the GCF first if you can!
5.4.4 Factor By Grouping • You may have to rearrange terms.
5.4 Homework • Pg. 347 – 349 • #24, 32, 36, 52, 60, 64