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padilas [110]
4 years ago
9

Factor completely: 21a+27

Mathematics
1 answer:
Lina20 [59]4 years ago
8 0

Answer:

3(7a + 9)

Step-by-step explanation:

21a + 27

3(7a + 9)

When you expand

3 x 7a + 3 x 9

21a + 27

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