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Factorise : - X2y - X + 3xy + 3 - Mathematics

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Sum

Factorise : - x2y - x + 3xy + 3

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Solution

- x2y - x + 3xy + 3

= 3 - x + 3xy - x2y

= 1(3 - x) + xy (3 - x)

= (3 - x) (1 + xy) = (xy + 1) (3 - x)

Concept: Factorisation by Grouping
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APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 13 Factorisation
Exercise 13 (B) | Q 8 | Page 158
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