Respuesta :

tiffanylina18
9. 7a^2 + 5ab - 2b^2
10. m^3n - 3m^2n^2 + 8mn^3
the trick is to go from smallest to biggest

Answer:

9. 7a^2 + 5ab - 2b^2

10. m^3n - 3m^2n^2 + 8mn^3

Step-by-step explanation:

hope this helps

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