Respuesta :

Banabanana
[tex]x^6+3x[/tex] 

Hope it helps
kphung76127
Sum means addition.

x to the sixth power= x^6
Remember that power signifies exponents.

3 times x=3x
Remember that when multiplying variables to numbers, put the number in front with no multiplication sign between.

Final answer: x^6+3x

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