Question

x^2 -xy+y-x factorise

pl. answer fast , i have a strict teacher and i have to give him the answer in 5 minutes

Answer 1

Answer:

Correct option is

A

(y−1)(x

2

−y)

(x

2

+1)y−x

2

−y

2

=x

2

y+y−x

2

−y

2

=x

2

y−x

2

−y

2

+y

=x

2

(y−1)−y(y−1)

=(y−1)(x

2

−y)

.

hope it help you...