Respuesta :

johnsonjoshua51

Answer:

15u^3 + 8u^2 - 6u + 13  

Step-by-step explanation:

(7u^3 + 8u^2 + 8) + (8u^3 - 6u + 5)  

= 7u^3 + 8u^2 + 8 + 8u^3 - 6u + 5  

= 7u^3 + 8u^3 + 8u^2 - 6u + 5 + 8  

*Now add the like terms  

= 15u^3 + 8u^2 - 6u + 13  

And that is all your can do!

15u^3 +8u^2 - 3u + 14

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