Question 1052099
{{{(2x^2+x-6x-3)(x+6)}}}------skipped step intentionally
{{{(2x^2-5x-3)(x+6)}}}
{{{2x^2(x+6)-5x(x+6)-3(x+6)}}}
{{{2x^3+12x^2-5x^2-30x-3x-18}}}


Next could be MOSTLY commutative property  (but does not really apply to subtractions);
{{{2x^3+12x^2-5x^2-30x-3x-18}}}, but earlier step already gave that degree arrangment, so next is combine like-terms;
{{{highlight(2x^3+7x^2-33x-18)}}}