Answer:
Extraneous Detail
Explanation:
Extraneous which is essenitially the same as not essential or relevant .
All the extraneous details in writing doesn't pass across any meaning or add to the purpose of the writing.
a sentence containing a subordinate clause or clauses or you can also say its a complex sentence contains an independent clause and at least one dependent clause.
Used to separate to independent clauses when second explains illustrates the first
Jim and Della love each other
P= 2a+b
Take 2a to the other side as a negative number
So that b= p/2a (option a)