= \({x^2} + {{5x + 2} \over {(2x + 1)\,(3x + 1)}} = {x^2} + {{(2x + 1)\, + \,(3x + 1)} \over {(2x + 1)\,(3x + 1)}}\)
= \({x^2} + {1 \over {2x + 1}} + {1 \over {3x + 1}}\).