Answer:
{0,-8}
Step-by-step explanation:
Factor!
3x(x+8)=0
3x=0 or x+8=0
x=0 or x=-8
x=0 x =-8
3x^2+24x=0
Factour out a 3x
3x(x+8) =0
Using the zero product property
3x =0 x+8 =0
x=0 x+8-8 =0-8
