You need to go more slowly and do lots of examples. Maybe start with * Karen E. Smith, Lauri Kahanpää, Pekka Kekäläinen and William Traves, An Invitation to A

You need to go more slowly and do lots of examples. Maybe start with * Karen E. Smith, Lauri Kahanpää, Pekka Kekäläinen and William Traves, An Invitation to Algebraic Geometry, Springer, Berlin, 2004. and then this: * Igor R. Shafarevich, Basic Algebraic Geometry, two volumes, third edition, Springer, 2013.