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CISCE(English Medium) ICSE Class 9
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Syllabus

Factorise: A2 - 3a - 40

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Question

Factorise : a2 - 3a - 40

Sum
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Solution

a2 - 3a - 40
= a2 - 8a + 5a - 40
= a( a - 8 ) + 5( a - 8 )
= ( a - 8 )( a + 5 )

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Factorisation of a Quadratic Trinomial by Splitting the Middle Term
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Q 2
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 2 | Page 71
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