Question 533467
{{{ 5x^3 - 45x = x*( 5x^2 - 45 ) }}}
{{{ x = 0 }}} is a solution, also,
{{{ 5x^2 - 45 = 0 }}}
{{{ 5x^2 = 45 }}}
{{{ x^2 = 9 }}}
{{{ x = 3 }}}
{{{ x = -3 }}}
{{{ x = 0 }}}
are the 3 solutions