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# Section 8c – Factorization of Quadratic Expressions - PowerPoint PPT Presentation

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

• 2x2 + 3x

• (x – 5)2 – 2(x – 5)

• (x + 2)2 + 2x + 4

• x2 – 9

• 25y6 – 49x2

• 2x2 – 8

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

Factor:

x2 + 7x + 12

Section 8d – Factorization of ax2 + bx + c

Factor

• x2+ 8x + 12

• x2 + 4x – 21

The Hoffman Method forfactoring ax2 + bx +c

6x2 + 7x – 3

Factoring ax2 + bx +c

• 3x2+ 5x + 2

• 15x2 + x – 6

Factoring ax2 + bx +c

• 5x2 – 13x + 6

• 12x2 – 1x – 6

• 3x2 – 9x + 6

• 6x2 – 20x – 16

• Pg 247-251