8m(1+2 m)-(4m+3)(4m-3)=2 m

Question

8m(1+2 m)-(4m+3)(4m-3)=2 m

Comments

8m+16m^2-16m^2+12m-12m+9-2m=98m-2m+9=06m=-9m=-9:6=-1.5

Answer 1

8m+16m² - (16m²-12m+12m-9)=2m
8m+16m²-16m²+12m-12m+9-2m=0
8m+9-2m=0
6m= -9
m= - 1,5