Question

Simplify by combining like terms. (Do not factor)
2x^2 + 2xy - 7y^2 - 7y^2 - xy + 2y^2

Answer 1

2x^2 +xy -12y^2

Explanation:

2x^2 + 2xy - 7y^2 - 7y^2 - xy + 2y^2

Combine like terms

2x^2 + 2xy- xy - 7y^2 - 7y^2 + 2y^2

2x^2 +xy -12y^2