factorise it : ab^2 + (a-1) b-1
Answers
Answered by
1
Answer:
Step-by-step explanation:
ab
2
+(a−1)b−1
=ab
2
+ab−b−1
=ab(b+1)−1(b+1)
=(b+1)(ab−1)
Answered by
2
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)
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