Question

pls answer this question..​

Answer 1

Step-by-step explanation:

$25 {x}^{2} - 30xy + 9 {y}^{2} \\ 25 {x}^{2} - 15x - 15y + 9 {y}^{2} \\ 5x(5x - 3) - 3y(5 + 3y) \\ =(5x - 3y)(5x - 3)(5 + 3y)$