Question

Evaluate the expression when m= -2

m^2 +9 m+ 3

Can someone help me understand how to solve these ?

Answer 1

im not positive but i think if im wrong then tell me

Explanation:

Solution :

mn + m + n + 1

= m( n + 1 ) + 1( n + 1 )

= ( n + 1 )( m + 1 )