3 years ago

I need help, 15 points!

Mathematics

1 answer:

Ira Lisetskai [31]3 years ago

7 0

Answer:

3(a + 5b + 7c) and 2x(2 + 5y + 11z)

Step-by-step explanation:

3a + 15b + 21c

3(a + 5b + 7c)

4x + 10xy + 22xz

2x(2 + 5y + 11z)

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