Question 18308
{{{ax^2 - bx = 0}}} Factor an x.
{{{x(ax - b) = 0}}} Apply the zero products principle.
{{{x = 0}}} and/or {{{ax-b = 0}}}

If {{{ax-b =0}}}, then {{{ax = b}}} and {{{x = b/a}}}

The two possible values of x are:

{{{x = 0}}}
{{{x = b/a}}}