allybelle2018 allybelle2018

29-02-2020
Mathematics

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simplify 3a(a^2-3a+4)-4(3a^3-2a^2)

Respuesta :

profarouk profarouk

29-02-2020

Answer:

−9a³ − a² + 12a

Step-by-step explanation:

3a(a²-3a+4)-4(3a³-2a²) = 3a³ − 9a² + 12a − 12a³ + 8a²

= (3a³ − 12a³) + (− 9a² + 8a²) + 12a

= −9a³ − a² + 12a

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