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18-12-2019
Mathematics

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Simplify 6t3 - 5t + 2u3 + 7t3 - 4u3 + 11t
A) t3 + 6u2 + 18t
B) t3 + 9u3 + 7t
C) 13t3 - 2u3 + 6t
D) 19t3 - 2u2

Respuesta :

18-12-2019

Answer: C

Step-by-step explanation:

= 6t3 - 5t + 2u3 + 7t3 - 4u3 + 11t

= 6t3 + 7t3 + 2u3 - 4u3 - 5t + 11t

= (6t3 + 7t3) + (2u3 - 4u3) + (11t - 5t)

= 13t3 - 2u3 + 6t

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