Question

Simplify (-5)m²-7m+m²-mn

Answer 1

Answer:

here is your answer

hope it will help u

Answer 2

Step-by-step explanation:

(-5)m^2-7m+m^2-mn

= -5m^2-7m+m^2-mn

=-5m^2+m^2-7m-mn

= -4m^2-7m-mn