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5. Factor each expression.
a. 15a - 13a
b. -6x – 18y
c. 36abc + 54ad​

2 Answers

3 votes

Explanation:

a.)

= 15a - 13a

= a(15 - 13)

= a(2)

= 2a

b.)

= -6x - 18y

= -(x + 3y)

c.)

= 36abc + 54ad

= 6a(6bc + 9d)

User Ankit Sachan
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2.9k points
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Answer:


a \: ) \: \: 15a - 13a \\ = a(15 - 13) \\ = a(2) \\ = 2a


b) \: \: - 6x - 18y \\ = - 6(x + 3y)


c) \: \: 36abc + 54ad \\ = 9a(4bc + 6d)

User Ben Robinson
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3.3k points