Question

(m+2)(m-2)-(m+2)(m+1)+3m​

Answer 1

Respuesta:

-6

Explicación paso a paso:

(m+2)(m-2)-(m+2)(m+1)+3m =

m^2 - 4 - ( m^2 + m + 2m + 2) + 3m =

m^2 - 4 - m^2 - m - 2m - 2 + 3m = -6