Question

(3m + 1) (m + 2) - 3m²

Answer 1

Respuesta:

(3m + 1) (m + 2) - 3m² = 7m+2

Explicación paso a paso:

(3m + 1) (m + 2) - 3m²

=(3m)(m)+(3m)(2)+(1)(m)+(1)(2)+−3m^2

=3m^2+6m+m+2+−3m^2

Combinar términos comunes:

=3m^2+6m+m+2+−3m^2

=(3m^2+−3m^2)+(6m+m)+(2)

=7m+2