Question 279692
its not factorable because

{{{(x+6)(x+6) = x^2 + 12x + 36}}}
and 
{{{(x-6)(x+6) = x^2 - 36}}}
and
{{{(x+1)(x+36) = x^2 + 37x + 36}}}
and
{{{(x-1)(x+36) = x^2 - 35x - 36}}}