"I don't know why I should have to learn Algebra... I'm never likely to go there"

This quote by Billy Connolly is an amusing way of revealing his aggravation with needing to discover algebra. He is indicating that algebra is an useless subject to learn due to the fact that he is not likely to ever use it in his life. He is most likely describing the fact that algebra is a hard topic to learn and he does not see the point in needing to learn it if he will never use it. This quote is a humorous way of revealing his sensations of aggravation and confusion about why he has to learn algebra. It is a way of expressing his opinion that algebra is a challenging subject to learn which it is not necessary for him to learn it since he will never use it. He is most likely expressing his opinion that there are more crucial things to learn than algebra.