SOLUTION: simplify using laws of exponents {{{(-3d^3y^4)(9d^4)/(-8d^5y^3)(-2d^3y^4)}}}

Algebra ->  Exponents -> SOLUTION: simplify using laws of exponents {{{(-3d^3y^4)(9d^4)/(-8d^5y^3)(-2d^3y^4)}}}      Log On