Last Term POSITIVE. Rule: When the last term is POSITIVE, the middle sign will be the sign that goes inside BOTH parenthesis When the last term is POSITIVE,

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(x + 4)(x + 7) = x2 + 11x + 28 (x + 14)(x + 2) = x2 + 16x + 28
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Presentation transcript:

Last Term POSITIVE

Rule: When the last term is POSITIVE, the middle sign will be the sign that goes inside BOTH parenthesis When the last term is POSITIVE, the middle sign will be the sign that goes inside BOTH parenthesis

x 2 + 9x + 14 For polynomials, how is factoring related to multiplying? ( )( ) xx x 2 + 9x + 14

2x 2 – 5x + 3 For polynomials, how is factoring related to multiplying? ( )( ) 2xx – 1– 3 2x 2 – 5x + 3

5x x + 2 For polynomials, how is factoring related to multiplying? ( )( ) 5xx x x + 2

3x 2 – 10x + 3 For polynomials, how is factoring related to multiplying? ( )( ) 3xx – 3 – 1 3x 2 – 10x + 3

2x 2 – 7x + 5 For polynomials, how is factoring related to multiplying? ( )( ) 2xx – 2 – 3 2x 2 – 7x + 5

6x 2 – 11x + 3 For polynomials, how is factoring related to multiplying? ( )( ) 2x3x – 1 – 3 6x 2 – 11x + 3

3x 2 – 8x + 4 For polynomials, how is factoring related to multiplying? 2x 2 – 7x + 5 (3x – 2)(x – 2) (2x – 5)(x – 1)

3x 2 – 8x + 4 For polynomials, how is factoring related to multiplying? 2x 2 – 11x + 9 (3x – 2)(x – 2) (2x – 9)(x – 1)

Sometimes you can factor out a GCF 1 st !

14x 2 – 32x + 18 For polynomials, how is factoring related to multiplying? 2( )( ) 7xx – 1– 9 2(7x 2 – 16x + 9)

2x x + 35 For polynomials, how is factoring related to multiplying? ( )( ) 2xx

6x 2 – 21x + 15 For polynomials, how is factoring related to multiplying? 3( )( ) x2x – 5 – 1

4x 2 – 15x + 9 For polynomials, how is factoring related to multiplying? ( )( ) 4xx – 3

4x 2 – 16x + 15 For polynomials, how is factoring related to multiplying? ( )( ) 2x – 5 – 3

6x 2 – 11x + 3 For polynomials, how is factoring related to multiplying? ( )( ) 2x3x– 1– 3

2y 2 – 17y + 35 For polynomials, how is factoring related to multiplying? 6x 2 – 21x + 15 (2y – 7)(y – 5) 3(x – 1)(2x – 5)

4x 2 – 15x + 9 For polynomials, how is factoring related to multiplying? 3x x + 20 (4x – 3)(x – 3) (3x + 5)(x + 4)

Class Work Factoring WS Last Term POSITIVE