Question

add 3 X²+5y²+7,-4y²-x²-6and 5- 3y²-4x²​

Answer 1

Answer:First we add:

3x² + 2y², - x² - 4y² + 2xy and 6xy + 2x² - 3y².

3x² + 2y², - x² - 4y² + 2xy + 6xy + 2x² - 3y²

= (3x² - x² + 2x²) + (2y² - 4y² - 3y²) + (2xy + 6xy)

= 4x² - 5y² + 8xy

Step-by-step explanation: