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CISCE(English Medium) ICSE Class 9
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Syllabus

Factorise: 6a2 - a - 15

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Question

Factorise:

6a2 - a - 15

Sum
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Solution

6a2 - a - 15

= 6a2 - 10a + 9a - 15

= 2a(3a - 5) + 3(3a - 5)

= (2a + 3)(3a - 5)

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Factorisation of a Quadratic Trinomial by Splitting the Middle Term
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Q 5
Chapter 5: Factorisation - Exercise 5 (B) [Page 71]

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Selina Concise Mathematics [English] Class 9 ICSE
Chapter 5 Factorisation
Exercise 5 (B) | Q 5 | Page 71
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