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TRANSCRIPT
Flip Book
Factoring Polynomials
This flipbook is great for an interac3ve notebook, as a study guide, or as class notes through a factoring unit. This flipbook is given in two different ways: filled in and fill-‐in-‐the-‐blank. There is plenty of room for students to work the problems in whichever way is preferred.
Copying Direc-ons To copy the flipbook, turn every other page upside down, like the photos.
© 2014 Mrs. E Teaches Math
© 2014 Mrs. E Teaches Math
Assembly Direc-ons First, fold the cover sheet along the doBed line. It should look like the photo below. Then, find the sheet that says “Greatest Common Factor” at the boBom. Fold this sheet along the doBed line.
© 2014 Mrs. E Teaches Math
Put the second folded sheet inside the cover sheet. It should look like the photo below. Fold the last sheet along the doBed line.
© 2014 Mrs. E Teaches Math
Put the third folded sheet inside the other two sheets to complete the flip book. It should look like the photo below.
© 2014 Mrs. E Teaches Math
Answer Key
The answer key is displayed in the order of the flaps.
© 2014 Mrs. E Teaches Math
Answer Key
© 2014 Mrs. E Teaches Math
Answer Key
© 2014 Mrs. E Teaches Math
Answer Key
© 2014 Mrs. E Teaches Math
Answer Key
© 2014 Mrs. E Teaches Math
Answer Key
© 2014 Mrs. E Teaches Math
Answer Key
© 2014 Mrs. E Teaches Math
Answer Key
© 2014 Mrs. E Teaches Math
Factoring Polynomials
Name __________________
© 2014 Mrs. E Teaches Math
Factored Completely – factor until all factors other than monomials factors are prime factors Prime – factors that cannot be factored completely The greatest common factor (GCF) is the largest factor that two terms have in common.
Factoring by Grouping
Example - Factor out the GCF: 2x − 2 Example - Factor out the GCF: 7x2 +14
Practice – Factor each polynomial. a) b) c) d) e) f) g) h)
12x3 − 21x2 + 28x − 49
49x3 − 35x2 + 56x − 40
4x3 +15− 5x −12x2 x
3 + 4x2 + 3x +12
4xy + 6− x − 24y
3x3 + 3x2 − 8x − 8
xy − 5y − 2x +10 −24 − 4x + x2 + 6x
Greatest Common Factor
Practice – Factor out the GCF. a) b) c) d) e) f)
3x − 3
18x3 + 27x2
x4 + x2
3x2 +12x + 9
x2 x + 3( ) + 5 x + 3( )
x2 x − 2( )− x − 2( )
Some polynomials only have a GCF of 1. However, by grouping the terms, it still may be possible to factor. Examples – Factor by grouping. a) b) c) d) e) f)
x3 − x2 − 5x + 5
12x2y − 27y − 4x2 + 9
x3 − 2x + 5x2 −10
3x + 7y − 21− xy
8x3 − 64x2 + x − 8
42xy + 36xz − 7w 2y − 6w 2z
Special Factoring Patterns
Examples – Factor each trinomial. a) b) c) d) x
2 + 2x +1
x2 + 6x + 8 x
2 + 3x − 28
x2 − 2x −15
Practice – Factor each polynomial. a) b) c) d) e) f)
x4 − 81
216+ x3
81x2 −16
16x2 − 56x + 49
x3 + 8
16x2 − 48x + 36
Factoring Trinomials x2 + bx + c
Practice – Factor each trinomial. a) b) c) d) e) f)
x2 +13x + 40 x
2 + 3x −18
x2 − 5x −14 x
2 − 4x − 5
x2 − x −12 x
2 + 3x − 88
Difference of Two Squares Perfect Square Trinomials Sum or Difference of Two Cubes Examples – Factor each polynomial. a) b) c) d)
a2 + 2ab +b2 = a +b( )2a2 − 2ab +b2 = a −b( )2
a2 −b2 = a +b( ) a −b( )
x2 − 4
81x2 − 49
27x3 +1
25x2 − 60x + 36
a3 +b3 = a +b( ) a2 − ab +b2( )a3 −b3 = a −b( ) a2 + ab +b2( )
Factoring Trinomials ax2 + bx + c
Examples – Factor each trinomial. a) b) c) d)
3x2 − x − 2 6x2 − 7x − 5
8x2 −10x − 3 15x2 −19x + 6
Practice – Factor each trinomial. a) b) c) d) e) f)
6x2 +19x − 7 2x2 − 7x + 3
3x2 −13x + 4 2x2 + x − 3
6x2 + 7x −10 2x2 − 9x − 5
This page is inten3onally leI blank. The flipbook aIer this page is the fill-‐in-‐the-‐blank version.
© 2014 Mrs. E Teaches Math
Factoring Polynomials
Name __________________
© 2014 Mrs. E Teaches Math
Factored Completely – factor until all factors other than _____________ factors are ____________ factors Prime – The greatest common factor (GCF) is the ______________ factor that two ___________ have in common.
Factoring by Grouping
Example - Factor out the GCF: 2x − 2 Example - Factor out the GCF: 7x2 +14
Practice – Factor each polynomial. a) b) c) d) e) f) g) h)
12x3 − 21x2 + 28x − 49
49x3 − 35x2 + 56x − 40
4x3 +15− 5x −12x2 x
3 + 4x2 + 3x +12
4xy + 6− x − 24y
3x3 + 3x2 − 8x − 8
xy − 5y − 2x +10 −24 − 4x + x2 + 6x
Greatest Common Factor
Practice – Factor out the GCF. a) b) c) d) e) f)
3x − 3
18x3 + 27x2
x4 + x2
3x2 +12x + 9
x2 x + 3( ) + 5 x + 3( )
x2 x − 2( )− x − 2( )
Some polynomials only have a GCF of __________. However, by _______________ the terms, it still may be possible to factor. Examples – Factor by grouping. a) b) c) d) e) f)
x3 − x2 − 5x + 5
12x2y − 27y − 4x2 + 9
x3 − 2x + 5x2 −10
3x + 7y − 21− xy
8x3 − 64x2 + x − 8
42xy + 36xz − 7w 2y − 6w 2z
Special Factoring Patterns
Examples – Factor each trinomial. a) b) c) d) x
2 + 2x +1
x2 + 6x + 8 x
2 + 3x − 28
x2 − 2x −15
Practice – Factor each polynomial. a) b) c) d) e) f)
x4 − 81
216+ x3
81x2 −16
16x2 − 56x + 49
x3 + 8
16x2 − 48x + 36
Factoring Trinomials x2 + bx + c
Practice – Factor each trinomial. a) b) c) d) e) f)
x2 +13x + 40 x
2 + 3x −18
x2 − 5x −14 x
2 − 4x − 5
x2 − x −12 x
2 + 3x − 88
Difference of Two Squares Perfect Square Trinomials Sum or Difference of Two Cubes Examples – Factor each polynomial. a) b) c) d)
a2 + 2ab +b2 =a2 − 2ab +b2 =
a2 −b2 =
x2 − 4
81x2 − 49
27x3 +1
25x2 − 60x + 36
a3 +b3 =a3 −b3 =
Factoring Trinomials ax2 + bx + c
Examples – Factor each trinomial. a) b) c) d)
3x2 − x − 2 6x2 − 7x − 5
8x2 −10x − 3 15x2 −19x + 6
Practice – Factor each trinomial. a) b) c) d) e) f)
6x2 +19x − 7 2x2 − 7x + 3
3x2 −13x + 4 2x2 + x − 3
6x2 + 7x −10 2x2 − 9x − 5
Need more ideas for your factoring unit?
Mrs. E Teaches Math Blog Posts Factoring with Symbols Factoring Prac3ce! Incorpora3ng Wri3ng in Math Mrs. E Teaches Math Products •FREE• Mul3plying and Factoring Polynomials Matching Cards Solving Quadra3c Equa3ons by Factoring Task Cards
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