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Syllabus

Factorise: a(3a - 2) - 1 - Mathematics

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Question

Factorise:

a(3a - 2) - 1

Sum
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Solution

a(3a - 2) - 1

= 3a2 - 2a - 1

= 3a2 - 3a + a - 1

= 3a(a - 1) + 1(a - 1)

= (3a + 1)(a - 1)

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Factorisation of a Quadratic Trinomial by Splitting the Middle Term
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Q 7
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 7 | Page 71

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