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18-01-2022
Mathematics

contestada

1.)8c^2–21c–9
2.) 3m^2+5mn-2n^2

Respuesta :

18-01-2022

Answer:

(8c+3)(c−3)

Answer:

(3m−n)(m+2n)

Step-by-step explanation:

Factor 3m2+5mn−2n2

3m2+5mn−2n2

=(3m−n)(m+2n)

Factor 8c2−21c−9

8c2−21c−9

=(8c+3)(c−3)

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