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Factorise: (3x - 2y)2 - 5(3x - 2y) - 24 - Mathematics

Sum

factorise: (3x - 2y)2 - 5(3x - 2y) - 24

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Solution

(3x - 2y)2 - 5(3x - 2y) - 24

= (3x - 2y)2 - 8(3x - 2y) + 3(3x - 2y) - 24

= (3x - 2y) (3x - 2y - 8) + 3 (3x - 2y - 8) 

= (3x - 2y - 8)(3x - 2y + 3)

Concept: Factorisation by Grouping
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APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 13 Factorisation
Exercise 13 (F) | Q 4.8 | Page 163
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