Question

xy^2+(x-1)y-1 factorise​

Answer 1

Answer:

xy²+(x-1)y-1 =0

xy²+xy-y-1 =0

xy(y+1)-1(y+1) =0

(xy-1)(y+1) =0

xy-1=0 and y+1=0

xy=1     and y=-1

x(-1)=1

x= -1

Step-by-step explanation: