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18 votes
18 votes
Help? I don't know how to work this one out

Help? I don't know how to work this one out-example-1
User Bob Marti
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2 Answers

17 votes
17 votes

Answer:

(n + 1)(5m + 4)

Explanation:

Given

5mn + 5m + 4n + 4 ( factor the first/second terms and the third/fourth terms )

= 5m(n + 1) + 4(n + 1) ← factor out (n + 1) from each term

= (n + 1)(5m + 4)

User Rosalynn
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2.8k points
21 votes
21 votes

Answer:

(n + 1) (5m + 4)

Explanation:

⇒ (n + 1) (5m + 4)

⇒ 5mn + 4n + 5m + 4

⇒ 5mn + 5m + 4n + 4

User Eric Strom
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2.7k points