Respuesta :

Answer:

21c^5 − 49c^4 + 14c^3

Step-by-step explanation:

7c^3 * 3c^2 is 21c^5

7c^3 * -7c is -49c^3

7c^3 * 2 is 14c^3

If you put it in a equation the equation will be

21c^5 − 49c^4 + 14c^3

Hope this helps!

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