What is the difference of the two polynomials?(7y2 + 6xy) – (–2xy + 3)

Distribute the subtraction across the second polynomial: subtracting −2xy changes it to +2xy, and subtracting +3 changes it to −3. Then combine like terms: 6xy + 2xy = 8xy. The result is 7y² + 8xy − 3, which is choice B.

AI-written and checked against the verified answer.