Answer:
m=0,-3
Step-by-step explanation:
m^2 -5/2 m = - 11/2⇒ m^2 -5/2 m + 11/2m=0 ⇒m^2+6/2m=0
m^2+3m=0⇒m(m+3)=0
m=0
and
m+3=0 so m=-3
