Question 66274
12M^3-8M^2-15M=0
M(12M^2-8M-15)=0
M(6M+5)(2M-3)=0
M=0 SOLUTION
6M+5=0
6M=-5
M=-5/6 SOLUTION
2M-3=0
2M=3
M=3/2
M=1.5 SOLUTION