SMAT011 Weekly Quiz 6 |LA005

In the partial fraction decomposition   2 𝑥 2 + 5 𝑥 + 9 ( 4 𝑥 + 1 ) ( 5 𝑥 2 + 1 ) = 𝐴 4 𝑥 + 1 + 𝐵 𝑥 + 𝐶 5 𝑥 2 + 1 ,  what are the values of   𝐴 ,  𝐵  and  𝐶 ?