Section 8c – Factorization of Quadratic Expressions

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Material Taken From: Mathematics for the international student Mathematical Studies SL Mal Coad , Glen Whiffen , John Owen, Robert Haese , Sandra Haese and Mark Bruce Haese and Haese Publications, 2004. Section 8c – Factorization of Quadratic Expressions. Quadratic Expression.

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Material Taken From:Mathematicsfor the international student Mathematical Studies SLMal Coad, Glen Whiffen, John Owen, Robert Haese, Sandra Haese and Mark BruceHaese and Haese Publications, 2004

### Section 8c – Factorization of Quadratic Expressions

Greatest Common Factor
• 2x2 + 3x
• (x – 5)2 – 2(x – 5)
• (x + 2)2 + 2x + 4
Difference of Squares
• x2 – 9
• 25y6 – 49x2
• 2x2 – 8
Difference of Squares

Factor:

• x2 – 11
• (x + 3)2 – 5
• (3x + 2)2 – 9
DO NOT WRITE THIS DOWN.Factoring Trinomials

Multiply

Factor

(x+ 3)(x + 4)

x2 + 7x + 12

What if we started out with

and wanted to get to

Factoring Trinomials

Factor:

x2 + 7x + 12

Factoring ax2 + bx +c
• 3x2+ 5x + 2
• 15x2 + x – 6
Factoring ax2 + bx +c
• 5x2 – 13x + 6
• 12x2 – 1x – 6
Factor completely
• 3x2 – 9x + 6
• 6x2 – 20x – 16
Homework
• Pg 247-251