Introduction to Factoring (LCM and GCF)

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Warm Up
a) Perform the following operations and simplify:
(x - 3)(2x² - 4x + 1) - (x + 2)(x² + 2x - 3)
b) The outside dimensions of a picture frame is (2x+3)(3x-1), and the picture inside it has dimensions (x+4)(2x+1).  What is the area of the picture frame?

Announcements & Deadlines

• Homework (108 questions) for unit 4 due Thu, Feb 28 at 23:59
• Quiz 4 (34 questions, 120 min, 3 tries) opens Fri, Feb 15 and closes Mon, Feb 25 at 23:59
• Reading Week Feb 18-22 (no classes)
• Next unit exam (in class) Fri, Mar 1 (2 hours)

Today - LCM and GCF
If the area of a rectangle is 24 cm², what could it's dimensions be?
Notes p. 118-121
Unit 4 Homework #55-65

Tomorrow - LCM and GCF word problems, common factors
Pre-read p. 122-127, homework #66-79

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