Question 758085
{{{((1+h)^5-1)/h=5}}}

{{{(1+h)^2-1=5h}}}
{{{(h+1)^2-1-5h=0}}}
{{{h^2+2h+1-1-5h=0}}}
{{{h^2-5h+2h=0}}}
{{{h^2-3h=0}}}
{{{h(h-3)=0}}}
{{{highlight(h=0)}}} or {{{highlight(h=3)}}}