Question 316912
  {{{-7a^2b^3(2a^4-5ab^5-3b^7)}}}distribute, i will do 1 part at a time
distribution 1
{{{-7a^2b^3(2a^4)}}}
{{{(-7*2)a^(2+4)b^3}}}
{{{-14a^6b^3}}}
distribution 2
{{{-7a^2b^3(-5ab^5)}}}
{{{(-7*-5)a^(2+1)b^(3+5)}}}
{{{35a^3b^8}}}
distribution 3
{{{-7a^2b^3(-3b^7)}}}
{{{(-7*-3)a^2b^(3+7)}}}
{{{21a^2b^10}}}
rewritten:
{{{highlight(-14a^6b^3+35a^3b^8+21a^2b^10)}}}