Respuesta:
12.
4m^3-2m^2+5m -2m-3m^2+m^3
5m^3-5m^2+3m
alternativa "c"
13.
4x^3-3x^2+9x-3
alternativa "a"
Explicación paso a paso:
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Verified answer
Respuesta:
12.
4m^3-2m^2+5m -2m-3m^2+m^3
5m^3-5m^2+3m
alternativa "c"
13.
4x^3-3x^2+9x-3
alternativa "a"
Explicación paso a paso: