Question 302533
Solve:
{{{a^2-19a = 0}}} Factor an a.
{{{a(a-19) = 0}}} Apply the zero product principle.
{{{a = 0}}} or {{{a-19 = 0}}}
If {{{a-19 = 0}}} then {{{a = 19}}}
Solutions are:
{{{a = 0}}}
{{{a = 19}}}