Question

Resuelva el siguiente Cubo de un binomio: (4r - 8)^3

Answer 1

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: