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frosja888 [35]
2 years ago
9

Simplify this expression. 3 + 2m -1 + 5m + 12 [?]m + [ ]

Mathematics
1 answer:
garik1379 [7]2 years ago
8 0

Answer:

7(m + 2)

Step-by-step explanation:

1) <em>Add the numbers</em>

  • 3 + 2m-1 + 5m + 12
  • 14 + 2m + 5m

2)<em> Combine like terms</em>

  • 14 + 2m + 5m
  • 14 + 7m


3) <em>Rearrange terms</em>

  • 14 + 7m
  • 7m + 14

4) <em>Common factor</em>

<em />

- <em>Factor by grouping</em>

  • 3 + 2m - 1+ 5m + 12
  • 7m + 14

- <em>Factor by grouping</em>

  • 7m + 14
  • 7(m + 2)

⇒ 3 + 2m - 1 + 5m + 12

⇒ 7(m + 2)

Solution:

  • 7(m + 2)
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