Final answer:
The easiest way to determine the number of terms in a polynomial expression is to identify how many pieces are separated by a plus or minus sign.
Step-by-step explanation:
The easiest way to determine the number of terms in a polynomial expression is to identify how many pieces are separated by a plus or minus. Each term in a polynomial expression is separated by a plus or minus sign. By counting these signs, you can determine the number of terms in the expression.