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Factorise: X2 + 4x + 3 - Mathematics

Sum

factorise: x2 + 4x + 3 

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Solution

x2 + 4x + 3 

= x2 + 3x + x + 3

= x(x + 3) + 1 (x + 3)

= (x + 3) (x + 1)

Concept: Factorisation by Grouping
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APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 13 Factorisation
Exercise 13 (D) | Q 2 | Page 161
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