Question

Plz answer it quickly and plz explain it

Answer 1

Answer:

Step-by-step explanation:

x² - y² + 6y - 9  

= x² - ( y² - 6y + 9)  

=x² - ( y² -2.3.y + 3²)

= x² - ( y - 3)²  

=( x - y +3)( x + y - 3)  

hence, ( x - y+3) and ( x +y -3) are two factors of x²-y²+6y -9/

Answer 2

Sorry for cuttings

Hope I make you understand your doubt