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Factorise: 2a3 - 50a - Mathematics

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Question

factorise:  2a3 - 50a 

Sum

Solution

2a3 - 50a 

= 2a (a2 - 25) = 2a(a2 - 52) 

= 2a (a - 5) (a + 5)

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Factorisation of Trinomials
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Q 6.1
Chapter 13: Factorisation - Exercise 13 (F) [Page 163]

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Selina Concise Mathematics [English] Class 8 ICSE
Chapter 13 Factorisation
Exercise 13 (F) | Q 6.1 | Page 163

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