Question

solve these questions 24 to 30 ​

Answer 1

$25. \\ \: \: \: \: \: {x}^{2} - {y}^{2} - x - y \\ =( x + y)(x - y) - x - y \\ = (x + y)(x - y + 1)$

Answer 2

for 25.

$= > {x}^{2} - {y}^{2} - x - y \\ = > {x}^{2} - x - {y}^{2} - y \\ = > x - {y}^{3}$

for 2