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Factorise : Ax + 2bx + 3cx - 3a - 6b - 9c - Mathematics

Sum

Factorise : ax + 2bx + 3cx - 3a - 6b - 9c 

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Solution

ax + 2bx + 3cx - 3a - 6b - 9c 

= x (a + 2b + 3c) - 3 (a + 2b + 3c)

= (a + 2b + 3c) (x - 3)

Concept: Factorisation by Grouping
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APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 13 Factorisation
Exercise 13 (B) | Q 19 | Page 158
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