Honestly, because you have missed out on the basics, whole swaths of the economy are closed to you. Many, many opportunities for engaging, interesting, highly creative, and often, highly paying work are solidly shut against you. With a little effort, some time at the community college, and some payment of tuition this could be completely overcome.
And...You really might surprised yourself how smart you really are in mathematics.
I plan to enter college for nursing in the next year. I am test taking at Khan academy online to brush up before I go into credit courses.