Question 740258
{{{(2a-3b^2)}}}* {{{(5a^2b^7)/(2ab)^-3}}}
distribute
{{{(2a-3b^2)}}}* {{{(5a^2b^7)/(2^-3a^-3b^-3)}}}
combine the exponents of like terms
{{{(2a-3b^2)}}}* {{{(5*2^3a^((2+3))b^(7+3)))}}}
{{{(2a-3b^2)}}}* {{{5*8a^5b^10}}}
distribute again
{{{(2a-3b^2)}}}* {{{40a^5b^10}}} = {{{80a^6b^10 - 120a^5b^12}}}
or we can just put it in the factored form
{{{40a^5b^10(2a - 3b^2)}}}