x•(5-x)=6
5x-x^2=6
5x-x^2-6=0
-5x+x^2+6=0
x^2-5x+6=0
x^2-2x-3x+6=0
x•(x-2)-3x-6=0
x•(x-2)-3(x-2)=0
x-2=0
x-3=0
x=2
x=3
x(1)=2; x(2)=3
x•(5-x)=6
5x-x^2=6
5x-x^2-6=0
-5x+x^2+6=0
x^2-5x+6=0
x^2-2x-3x+6=0
x•(x-2)-3x-6=0
x•(x-2)-3(x-2)=0
x-2=0
x-3=0
x=2
x=3
x(1)=2; x(2)=3