Question 972960
Same as before.


{{{3d-5d^3+2d^2-8d^3-6d+1}}}, which used distributive property, if you or he can recognize that;
{{{-5d^3-8d^3+2d^2+3d-6d-1}}}, which used commutative property of addition, if you or he can recognize that...
and need to combine any like-terms.