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Simplifying a sum or difference of two univariate… duration 2 minutes 0 seconds Simplifying a sum or difference of two univariate… Simplifying a sum or difference of two univariate polynomials	Simplifying a sum or difference of two univariate polynomials This shows both a subtraction and an addition example for finding the sum and difference of two trinomials. math math emporium sum difference addition subtraction minus parentheses thing polynomials xk answer opposite summer From Tom Grant 20 plays 0