Question

What is the difference of the two polynomials?

(7y2 + 6xy) – (–2xy + 3)

7y2 + 4xy – 3
7y2 + 8xy – 3
7y2 + 4xy + 3
7y2 + 8xy + 3

Answer 1

What is the difference of the two polynomials?

(7y2 + 6xy) – (–2xy + 3)

7y2 + 4xy – 3

7y2 + 8xy – 3 Correct

7y2 + 4xy + 3

7y2 + 8xy + 3

Explanation:

Answer 2

7y2 + 8xy - 3

Explanation:

7y2 + 6xy + 2xy -3 You distribute the - sign through the second binomial. You are distributing or multiplying (-2xy -3) by -1 Combine like terms

7y2 + 8xy -3