Section 5.4 Factoring Quadratic Expressions Obj: to find common and binomial factors of quadratic expressions.

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Section 5.4 Factoring Quadratic Expressions Obj: to find common and binomial factors of quadratic expressions

Multiply using the foil system. Ex 1. (x + 4) Ex 2. ( 2x - 3) Ex. 3 (x + 3)(x + 4) Ex. 4 (x - 5)(x - 4) Ex. 5 (x – 1)(x +3) Ex. 6 (x-6)(x-4) Ex. 7 (2x+3)(x-2) Ex 8 (3x+3)(4x-1)

Factoring is rewriting an expression as the product of its factors ( “undoing”the distributive property or the foil system).

Trinomial Factoring when a = 1 “undoing” the foil system

When a = 1:

Assign: pg. 259 # 1-18