Integrate: (3x+2) / (x^2 + x + 1) dx I don't understand Terry Lee's method when he gets this in the first line: \frac{3}{2}\int \frac{(2x+1)}{x^2+x+1}dx + \frac{1}{2}\int \frac{dx}{x^2+x+1}. How did he get 3/2 and 1/2 in front of the integrals?
