ANSWER: 0,4
x(x−4)=0 Step 1: Factor left side of equation.
x=0 or x−4=0 Step 2: Set factors equal to 0.
x=0 or x=4
remember, if ab=0, assume that a=0 and b=0
[tex]x^2-4x=0[/tex]
factor
[tex](x)(x-4)=0[/tex]
solve x=0 and x-4=0
x=0
x-4=0
x=4
so x=0 and 4
