How many terms are there in the expression $3x^{2}y - 5xy + 7y^{2} - 4$?

How many terms are there in the expression $3x^{2}y - 5xy + 7y^{2} - 4$?
  1. $2$
  2. $3$
  3. $4$
  4. $5$

Solution

Terms are separated by $+$ or $-$ signs. The four terms are $3x^{2}y,\ -5xy,\ 7y^{2},\ -4$.

Asked in: IMO

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