Respuesta :

Step-by-step explanation:

f(x)=3x3−21x2+36xf(x)=3x3-21x2+36x

Set 3x3−21x2+36x3x3-21x2+36x equal to 00.

3x3−21x2+36x=03x3-21x2+36x=0

by Solving for x

x=0,4,3

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