Question

Factorize 27a³b³'- 45a⁴b²


please help ​

Answer 1

Answer:

we know that

a

2

−b

2

=(a+b)(a−b)

a(a−1)−b(b−1)=a

2

−a−b

2

+b

=a

2

−b

2

−a+b

=(a−b)(a+b)−(a−b)

=(a−b)(a+b−1)