Question

9. Factorise:
(1) ab^2 – bc^2 - ab + c^2​

Answer 1

Answer:

ab² -bc² - ab +c²  = ab² - ab - bc² + c²

                            = ab ( b - 1 ) - c² ( b - 1 )

                            = ( ab - c² ) ( b - 1 )

Step-by-step explanation:

Answer 2

Answer:

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