Question

xy²+ (x - 1) y - 1




please answer this qustion​

Answer 1

Answer:

xy^2+(x-1)y-1

=xy^2+xy-y-1

=xy(y+1)-1(y+1)

= (y+1) (xy-1 )

Answer 2

Step-by-step explanation:

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