Question

Factorise :
a ) ab2+(a-1)b-1
( It is ab Sq. )

Answer 1

Answer:

ab2+(a-1)b-1

ab2+ab-b-1

ab(b+1)-1(b+1)

(ab-1) (b+1) ANSWER,.....

Answer 2

Answer:

ab2+ab-b-1

ab(b+1)-1(b+1)

(b+1) (ab-1)