Question 583096
{{{35x^3-20x^2+21x-12}}} group them in brackets
{{{(35x^3-20x^2)+(21x-12)}}} factore out gcf
{{{(5x^2(7x-4)+3(7x-4))}}} factor out the {{{7x-4}}}
{{{(7x-4)(5x^2+3)}}}