Question 737846
{{{p^2-p=42}}}
{{{p^2-p-42=0}}}


What integers have a product of -42 and a sum of -1?
Either {-6 and +7} OR {+6 and -7}.


Which of these is correct?
{{{(p-6)(p+7)=p^2-p-42}}}  OR  {{{(p+6)(p-7)=p^2-p-42}}}
?