Question

Find the Sum:- (9xy+x^2+2y^2),
(-19xy+7x^2-7y^2), (9x^2-8y^2). (2.5)​

Answer 1

Answer:

17x^2-13y^2-10xy

Step-by-step explanation:

Adding the three expressions gives you the answer 17x^2 - 13y^2 - 10xy