Question

Add x²+2xy+y², 2x²+7xy-3y² and 5x²+5y²​

Answer 1

Answer:

The correct answer is 8x² + 3y² + 9xy.

Step-by-step explanation:

Here we have three algaebric expression.

(1) x² + y² + 2xy

(2) 2x² + 7xy - 3y²

(3) 5x² + 5y²

Now we have to add all these three expression

x² + y² + 2xy + 2x² + 7xy - 3y² + 5x² + 5y²

= 8x² + 3y² + 9xy

This is your required answer.