Factoring out the GCF (Example)

The video tutorial explains how to factor the expression 6 plus 18 by identifying and using the greatest common factor (GCF). It begins by introducing the concept of GCF and then demonstrates how to find the GCF of 6 and 18, which is 6. The tutorial proceeds to show how to factor out the GCF from the expression, resulting in 6 times the sum of 1 and 3. The process is verified by checking the multiplication, and the tutorial concludes with a summary of the steps involved.

What is the greatest common factor of 6 and 18?

• 9

• 2

• 3

• 6

When factoring out the GCF of 6 from 6 and 18, what should be the value inside the parentheses for the first term?

• 2

• 0

• 1

• 3

What value should be inside the parentheses for the second term when factoring out the GCF of 6 from 18?

• 3

• 2

• 1

• 4

How can 6 plus 18 be expressed using the GCF?

• 6 times the sum of 1 and 3

• 6 times the sum of 1 and 2

• 6 times the sum of 2 and 4

• 6 times the sum of 2 and 3

What is the final expression of 6 plus 18 after factoring out the GCF?

• 6 times 7

• 6 times 4

• 6 times 5

• 6 times 6