Factorise: A2b2 + 8ab - 9 - Mathematics

Factorise : a²b² + 8ab - 9

Sum

a²b² + 8ab - 9
= a²b² + 9ab - ab - 9
= ab( ab + 9 ) -1( ab + 9 )
= ( ab + 9 )( ab - 1 )

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Chapter 5: Factorisation - Exercise 5 (B) [Page 71]

Chapter 5 Factorisation
Exercise 5 (B) | Q 8 | Page 71

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