Name:
Unit 7: Polynomials & Factoring
Homework 10: Factoring Review
Date:
Bell:
** This is a 2-page document! **
Greatest Common Factor (GCF)
1. 12a - 27
2. 16k-24
3(4a -9)
2(8k-12)
3. 48w2 - 36W
4. 75x?y - 120xy
4(12w2 - 9w)
3 (25r’y - 40zy)
5. 4a'b-8a2b2 + 2ab3
6. 30m^n3 - 12mºn2 + 6mn
2(a²b) - 4a²b2 + 2ab3
6(5m*m" - 2mºn? + mºn)

Name Unit 7 Polynomials amp Factoring Homework 10 Factoring Review Date Bell This is a 2page document Greatest Common Factor GCF 1 12a 27 2 16k24 34a 9 28k12 3 class=

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The greatest common factors of the polynomials are given by the GCF

of the terms of the polynomials.

Responses:

The factorization of the given polynomials using the greatest common factors are;

1. 12·a - 27 = 3·(4·a - 9)

2. 16·k - 24 = 8·(2·k - 3)

3. 48·w² - 36·w = 12·w·(4·w - 3)

4. 75·x²·y - 120·x·y = 15·x·y·(5·x - 8)

5. 4·a³·b - 8·a²·b² + 2·a·b³ = (2·a·b)·(2·a² - 4·a·b + b²)

6. 30·m⁴·n³ - 12·m³·n² + 6·m²·n = (6·m²·n)·(5·m²·n² - 2·m·n + 1)

Which methods is used to find the GCF of polynomial expressions?

The Greatest Common Factor, GCF, is given by the largest number that

divide two or more numbers which is given as follows;

1. 12·a - 27

The GCF of 12 and 27 is 3

Factorizing the above expression gives;

  • 12·a - 27 = 3·(4·a - 9)

2. 16·k - 24

The GCF of 16 and 24 is 8

Factorizing 16·k - 24 gives;

Factorizing,  16·k - 24 using the GCF is 8·(2·k - 3)

16·k - 24 = 8·(2·k - 3)

3. 48·w² - 36·w

The GCF 48 and 36 is 12

w is also a factor, which gives;

48·w² - 36·w = 12·w·(4·w - 3)

Factorizing, 48·w² - 36·w, using the GCFs is; 48·w² - 36·w = 12·w·(4·w - 3)

4. 75·x²·y - 120·x·y

The GCF of 75 and 120 is 15

x·y is also a factor of the given expression, which gives;

The factorization of using the GCFs is; 75·x²·y - 120·x·y = 15·x·y·(5·x - 8)

5. 4·a³·b - 8·a²·b² + 2·a·b³

The GCF of 4, 8, and 2 is 2

a·b is also a factor

Which gives;

2·a·b·(2·a² - 4·a·b + b²)

4·a³·b - 8·a²·b² + 2·a·b³ = (2·a·b)·(2·a² - 4·a·b + b²)

6. 30·m⁴·n³ - 12·m³·n² + 6·m²·n

The GCF of 30, 12, and 6 is 6

m²·n is also a factor, which gives;

30·m⁴·n³ - 12·m³·n² + 6·m²·n = (6·m²·n)·(5·m²·n² - 2·m·n + 1)

Learn more about GCF here:

https://brainly.com/question/2335639