Which monomials are factors of -21a^2?

asked Jul 5, 2019 90.8k views

3 votes

by Prgao

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7 votes

There are many pairs you could do, but I'm going to choose this one:

(-3a)(9a)

You can multiply them together, and get (that's how you know if they are factors):

(-3a)(9a) = -21a^2

Hope this helped!

Usman Awan answered Jul 6, 2019

5.9k points

3 votes

Answer:

the answer is 3a^2

Explanation:

Brett Pennings answered Jul 12, 2019

5.1k points

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