Question 742450
{{{(h-6)(h+8)=0}}} use zero product rule


if {{{h-6=0}}} =>  {{{h=6}}}

if {{{h+8=0}}} =>  {{{h=-8}}}

so, your solutions are: {{{h=6}}} and {{{h=-8}}}


{{{ graph( 600, 600, -10, 10, -50, 10, (x-6)(x+8)) }}}