Factorise : 9a (X-2y)4 - 12a (X - 2y)3 - Mathematics

Sum

factorise : 9a (x-2y)⁴ - 12a (x - 2y)³

9a (x-2y)⁴ - 12a (x - 2y)³

= 3a (x - 2y)³ [3(x - 2y) - 4]

=3a(x - 2y)³ [3x -6y - 4]

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Chapter 13: Factorisation - Exercise 13 (F) [Page 163]

Chapter 13 Factorisation
Exercise 13 (F) | Q 1.5 | Page 163

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