CISCEICSE Class 8
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Factorise: X2 - 10xy + 24y2 - Mathematics

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Sum

factorise:  x2 - 10xy + 24y2 

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Solution

x2 - 10xy + 24y2 

= x2 - 6xy - 4xy + 24y2

= x(x - 6y) - 4y(x - 6y)

= (x - 6y) (x - 4y)

Concept: Factorisation by Grouping
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Chapter 13: Factorisation - Exercise 13 (D) [Page 161]
Q 9

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Selina Concise Mathematics Class 8 ICSE
Chapter 13 Factorisation
Exercise 13 (D) | Q 9 | Page 161
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