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Class Greeting

-ax2 + bx + c Negative Leading Coefficient Chapter 6 – Factoring Lesson 6-3b Factoring Trinomials -ax2 + bx + c Negative Leading Coefficient

Objective: The student will practice solving problems involving factoring trinomials of the form -ax2 + bx + c.

Distribute -1 out of the trinomial. Factor -24x2 + 22x - 3 -1( ) Distribute -1 out of the trinomial. Factor the trinomial. or (24x - )(x - ) (12x - )(2x - ) (8x - )(3x - ) (6x - )(4x - ) or or Put in factors of 3 to make -22. -1 (6x - 1)(4x - 3) Do not forget your -1. Distribute -1 back into the first binomial. Answer: (-6x + 1)(4x - 3) Example 4-1b

-6x2 + 7x + 10 (-6x - 5)(x - 2) or (-x + 2)(6x + 5) Factor Answer: Example 4-3b

Lesson Summary: Objective: The student will practice solving problems involving factoring trinomials of the form -ax2 + bx + c.

Preview of the next Lesson: Objective: The student will learn how to factor the by Grouping.

Kahoot!

Stand Up Please

Review: 6.3a Mini-Quiz 1. Factor 2. Factor 3. Factor