Factorise: X(3x + 14) + 8 - Mathematics

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Sum

factorise:  x(3x + 14) + 8 

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Solution

x(3x + 14) + 8

= 3x2 + 14x + 8

= 3x2 + 12x +2x +8

= 3x(x + 4) + 2(x + 4)

= (x + 4)(3x + 2) 

Concept: Factorisation by Grouping
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Chapter 13: Factorisation - Exercise 13 (F) [Page 163]

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Selina Concise Mathematics Class 8 ICSE
Chapter 13 Factorisation
Exercise 13 (F) | Q 4.5 | Page 163
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