Latest book Aptitude Question SOLUTION: Simplify the following. (3x^2+sx+4)(-5x^3-x+3) (3n^5w)^2/(n^3w)^6 (6y-5)^2 9c^7w^-4(-d^2)/15c^3w^6(-d)^2 5m^-3/6^-1m^-2 (7x-5y)(2x+9y)