Respuesta:
4r−8)³
=(4r−8)*(4r−8)*(4r−8)
=(4r+−8)(16r²+−64r+64)
=(4r)(16r²)+(4r)(−64r)+(4r)(64)+(−8)(16r²)+(−8)(−64r)+(−8)(64)
=64r³−256r²+256r−128r²+512r−51²
=64r³−384r²+768r−51²
Explicación paso a paso:
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Respuesta:
4r−8)³
=(4r−8)*(4r−8)*(4r−8)
=(4r+−8)(16r²+−64r+64)
=(4r)(16r²)+(4r)(−64r)+(4r)(64)+(−8)(16r²)+(−8)(−64r)+(−8)(64)
=64r³−256r²+256r−128r²+512r−51²
=64r³−384r²+768r−51²
Explicación paso a paso: