UNLIKE TERMS

x^2 is different than x^2. It is different because they are not like terms and the x doesn't an exponent next to it .We can combine terms that have the same exponent. We can combine them because they have the same exponent and that makes it a like term.Some things you can remember to do when we add and subtract integers is when the positive is bigger than the negative your answer will be positive an when the negative is bigger than the positive than your answer will be positive.A coefficient is the number before the exponent and variable.