Question

Add: 8x2 + 7xy – 6y2

, 4x2 – 3xy + 2y2 and − 4x2 + xy – y

2​

Answer 1

Answer:

8x^2+5xy-5y^2

Step-by-step explanation:

=(8x^2+7xy-6y^2)+(4x^2-3xy+2y^2)+(-4x^2+xy-y^2)

=8x^2+4x^2-4x^2+7xy-3xy+xy-6y^2+2y^2-y^2

=8x^2+5xy-5y^2

Step-by-step explanation: