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Factorise: a2 – ab(1 – b) – b3 - Mathematics

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Question

Factorise: 

a2 – ab(1 – b) – b3

Sum
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Solution

a2 – ab(1 – b) – b3

= a2 – ab + ab2 – b3 

= a(a – b) + b2(a – b)

= (a – b)(a + b2)

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

APPEARS IN

Selina Concise Mathematics [English] Class 8 ICSE
Chapter 13 Factorisation
Exercise 13 (F) | Q 2.3 | Page 163
B Nirmala Shastry Mathematics [English] Class 9 ICSE
Chapter 4 Factorisation
EXERCISE 4A | Q 10. | Page 42

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