Question

Add the following
7x square - 4xy + 8y square+ 3xy + 4x square + 3y square + -3x square + 6xy - 7y square​

Answer 1

Answer:

8x square + 4y square +5xy

Answer 2

Answer:

7x² - 4xy - 8y² + 3xy + 4x² - 3y² + (- 3x²) + 6xy - 7y²

= 7x² + 4x² - 3x² - 8y² -7y² -3y² - 4xy + 6xy + 3xy

= 8x² -18y²+5xy