3 years ago

Which monomials are factors of -21a^2?

2 answers:

8 0

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!

Neporo4naja [7]3 years ago

8 0

Answer:

the answer is 3a^2

Step-by-step explanation:

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