Question

subtract the following​

Answer 1

Answer:

2x^2 - 12xy + 11y^2 + 11

Step-by-step explanation:

= (9x^2-7x^2)+[7y^2-(-4y^2)]-3xy-9xy+9-(-2)

Or, 2x^2+11Y^2-12xy+11

Or, 2x^2-12xy+11y^2+11