The Greatest Common Factor And Factoring By Grouping Worksheet With Answer Key - Section 6.1 Page 4
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4Section 6.1 The Greatest Common Factor and Factoring by Grouping
(Solution 8)
Step 1: Count the number of terms
8
9
72 has four terms. Thus
factoring by grouping.
Step 2: Arrangement
8
9
72 has one variable, we
Since
arrange the expression in descending order.
8
9
72 is in the descending order.
Step 3: Grouping by dividing terms evenly.
8
9
72 has four terms, so two
8
9
72
terms in each group.
Step 4: Factoring out GCF from each group
8
9
72
(Solution 9)
Step 1: Count the number of terms.
7
9
63 has four terms. Thus,
factoring by grouping.
Step 2: Arrangement
7
9
63 has one variable, we
Since
arrange the expression in descending order.
7
9
63 is in descending order.
Step 3: Grouping by dividing terms evenly.
7
9
63 has four terms, so two
7
9
63
terms in each group.
Step 4: Factoring out GCF from each group
7
9
63
(Solution 10)
Step 1: Count the number of terms.
5
2
25
10 has four terms. Thus,
factoring by grouping.
Step 2: Arrangement
Since 5
2
25
10 has one variable,
we arrange the expression in descending order.
5
2
25
10is in descending order.
Step 3: Grouping by dividing terms evenly.
5
2
25
10has four terms, so two
terms in each group. 5
2
25
10
Step 4: Factoring out GCF from each group
5
2
25
10
Cheon-Sig Lee
Page 4
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