Question 880374
If {{{x=1}}} is a zero of the polynomial {{{p(1)=0}}} ,
and if {{{p(x) =ax^3-3(a-1)x-1}}} , then
{{{a*1^3-3(a-1)*1-1=0}}}
{{{a*1-3(a-1)-1=0}}}
{{{a-3a+3-1=0}}}
{{{-2a+2=0}}}
{{{2=2a}}}
{{{2/2=a}}}
{{{highlight(a=1)}}}