Completely factorize (2x+3)^-2 + 2x(2x+3)^-3
Hello,\(\dfrac{1}{(2x+3)^2} + \dfrac{2x}{(2x+3)^3} \\ = \dfrac{(2x+3)+2x}{(2x+3)^3}\\ = \dfrac{4x+3}{(2x+3)^3}\)