Question

xy^2+(x-1)y-1 factorise ​

Answer 1

Answer:

req. factors are (xy-1)  and  (y+1)

Step-by-step explanation:

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