Find the derivative of f(x)=5x2−3xf(x) = 5x^2 - \frac{3}{x}f(x)=5x2−x3.
10x+3x210x + \frac{3}{x^2}10x+x23
10x−3x210x - \frac{3}{x^2}10x−x23
10x+3x10x + \frac{3}{x}10x+x3
5x−3x25x - \frac{3}{x^2}5x−x23