10.6 – Special Products of Polynomials Multiplying Two Binomials using FOIL First termsLast...

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10.6 – Special Products of Polynomials Multiplying Two Binomials using FOIL 7 4 x x 3 4 x x F irst terms L ast terms I nner terms O uter terms 2 x 4 x 7 x 28 2 x 7 x 12 2 x 3 x 28 2 x 4 x 3 x 12

Transcript of 10.6 – Special Products of Polynomials Multiplying Two Binomials using FOIL First termsLast...

Page 1: 10.6 – Special Products of Polynomials Multiplying Two Binomials using FOIL First termsLast termsInner termsOuter terms.

10.6 – Special Products of Polynomials

Multiplying Two Binomials using FOIL

7 4x x

3 4x x

First terms Last termsInner termsOuter terms

2x 4x 7x 28

2x 7x 12

2x 3x 28

2x 4x 3x 12

Page 2: 10.6 – Special Products of Polynomials Multiplying Two Binomials using FOIL First termsLast termsInner termsOuter terms.

Multiplying Two Binomials using FOIL

6 2 3 3x x

2 1 5 6x x

First terms Last termsInner termsOuter terms

210x 12x 5x 6

210x 7x 6

218x 18x 6x 6

218x 24x 6

10.6 – Special Products of Polynomials

Page 3: 10.6 – Special Products of Polynomials Multiplying Two Binomials using FOIL First termsLast termsInner termsOuter terms.

Multiplying Two Binomials using FOIL

22 3 4y y

First terms Last termsInner termsOuter terms

22 4y

32y 28y 3y 12

32y 28y 3y 12

2 24 4y y

4y 24y 16 24y 4y 28y 16

10.6 – Special Products of Polynomials

Page 4: 10.6 – Special Products of Polynomials Multiplying Two Binomials using FOIL First termsLast termsInner termsOuter terms.

Squaring Binomials

25r 5 5r r 2r

2 10 25r r

22 9x 2 9 2 9x x

24x24 36 81x x

23 4t 29t

29 24 16t t

5r 5r 25

18x 18x 81

2 12t 16

10.6 – Special Products of Polynomials

Page 5: 10.6 – Special Products of Polynomials Multiplying Two Binomials using FOIL First termsLast termsInner termsOuter terms.

Squaring Binomials

22 3x 24x

2 14 49x x 27x 2x

24 12 9x x

25 8x 225x

225 80 64x x

22x y 2x 2 24 4x xy y

2 7x 49

2 6x 9

2 40x 64

2 2xy 24y

10.6 – Special Products of Polynomials

Page 6: 10.6 – Special Products of Polynomials Multiplying Two Binomials using FOIL First termsLast termsInner termsOuter terms.

Squaring Binomials

24 5x 216x

216 40 25x x

2 2 2

2 2 2

2

2

a b a ab b

a b a ab b

23 6x 29x

29 36 36x x

2 20x 25

2 18x 36

10.6 – Special Products of Polynomials

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Multiplying the Sum and Difference of Two Binomials

2 2a b a b a b

9 9x x 2x

9 9x x 2 81x

2 81x

3 5 3 5x x

3 5 3 5x x 29x 29 25x

29 25x

9x 9x 81

15x 15x 25

10.6 – Special Products of Polynomials

Page 8: 10.6 – Special Products of Polynomials Multiplying Two Binomials using FOIL First termsLast termsInner termsOuter terms.

10.7 – Dividing Polynomials

Dividing by a Monomial

where 0a b a b

cc c c

3 2

2

25 5

5

x x

x

3

2

25

5

x

x

5x

2

2

5

5

x

x

1

Page 9: 10.6 – Special Products of Polynomials Multiplying Two Binomials using FOIL First termsLast termsInner termsOuter terms.

Dividing by a Monomial

where 0a b a b

cc c c

8 6 4

3

21 9 12

3

x x x

x

8

3

21

3

x

x

57x

6

3

9

3

x

x

4

3

12

3

x

x

33x 4x

10.7 – Dividing Polynomials

Page 10: 10.6 – Special Products of Polynomials Multiplying Two Binomials using FOIL First termsLast termsInner termsOuter terms.

Dividing by a Monomial

7 2 224 12 4 4x x x x 7 2

2

24 12 4

4

x x x

x

7

2

24

4

x

x

56x

2

2

12

4

x

x

2

4

4

x

x

3 1

x

10.7 – Dividing Polynomials

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Dividing by a Monomial

3 312 18 6

3

x y xy y

xy

3 312

3

x y

xy

2 24x y

18

3

xy

xy

6

3

y

xy

62

x

10.7 – Dividing Polynomials

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285

5

Review of Long Division

783 4

4 7835 2855

2535

7

350

438362

19

3

5

203

10.7 – Dividing Polynomials

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Dividing by a Polynomial Other than a Monomial

2 12 35 5x x x 25 12 35x x x

(Long Division)

10.7 – Dividing Polynomials

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35125 2 xxx

x

xx 52 x7 35

7

357 x

0

5x 7x 35122 xx

10.7 – Dividing Polynomials

Page 15: 10.6 – Special Products of Polynomials Multiplying Two Binomials using FOIL First termsLast termsInner termsOuter terms.

Dividing by a Polynomial Other than a Monomial

28 2 7 2 1x x by x

22 1 8 2 7x x x

(Long Division)

10.7 – Dividing Polynomials

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72812 2 xxx

x4

xx 48 2 x6 7

3

36 x

4

12 x

12

434

xx 728 2 xx

12

4

x

10.7 – Dividing Polynomials

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Dividing by a Polynomial Other than a Monomial

215 2

3

x

x

23 2 0 15x x x

(Long Division)

10.7 – Dividing Polynomials

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15023 2 xxx

x2

xx 62 2 x6 15

6

186 x

3

3x

3

362x

x 152 2 x

3

3

x

10.7 – Dividing Polynomials

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End of Slide ShowEnd of Slide Show