Factorise : A2 - Ab (1 - B) - B3 - Mathematics

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Sum

factorise : a2 - ab (1 - b) - b3

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Solution

a2 - ab (1 - b) - b3 = a2 - ab + ab2 - b3 

= a(a - b) + b2 (a - b)

= (a - b) (a + b)2 

Concept: Factorisation by Taking Out Common Factors
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APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 13 Factorisation
Exercise 13 (F) | Q 2.3 | Page 163
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