Question

11 X square +12y -9x square -7y​

Answer 1

Answer:

$11 {x}^{2} + 12y - 9 {x}^{2} - 7y \\ = 2 {x}^{2} + 5y$

Answer 2

Answer:

=> 11x² + 12y - 9x² - 7y

=> 11x² - 9x² + 12y - 7y

=> 2x² + 5y