Question

factorize: ab²+b(a-1)-1
the answer is (ab-1) (b+1)​

Answer 1

Answer:

(b+1) ( ab - 1)

Step-by-step explanation:

ab²+ (a -1) b-1

ab²+ ab - b _1

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

(b+1) (ab-1)