To simplify
In many ways. It really depends on the algebraic expression. If several terms are added/subtracted, you can usually combine similar terms (terms that have the same combination of variables). If variables are multiplied, you can combine the same variable, adding the corresponding exponents. Sometimes expressions get simpler if you factor them; sometimes you have to multiply out (in other words, the opposite of factoring). Quite frequently, you have to use a combination of methods to simplify expressions. Take an algebra book, and look at some of the examples.
No it is not,Couple: noun, a pair.Several: pronoun, being more than two but fewer than many.(Dictionary Definitions)
2 fewer.
The answer will depend on what it is that you are trying to combine!
Depends * * * * * No, it does not. It has 2 fewer sides.
111 is 111 fewer than 222.
A tissue. many tissues combine to form an organ and many organs form an organism.
Words that can be made from the word 'combine' are:bebinbiomebonecobcoincombcomeconconeemeneonIiceiconinincomeionmemenmicemienminceminemobnicenoobiomenononceone
If global warming is really setting in, then fewer and fewer people will be cool.
Fewer
It has 2 syllables..
Most elements can combine in some fashion. Only a few, like Argon, are unable to combine in most circumstances.