Be careful you don't add unlike terms together (e.g. x^2 and x cannot be added or subtracted together). <span>Be careful you don't mistake the 2 in x^2 as another number. Same for x^3, x^4. etc.</span>
This is a subtraction expression.o evaluate, substitute 29 for the variable in the expression.to<span>evaluate the expression, subtract 31 from 29.</span>
