Factorise Completely: 8x2y - 18y3 - Mathematics

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Sum

Factorise completely: 8x2y - 18y3 

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Solution

8x2y - 18y3 = 2y (4x2 - 9y2

= 2y[(2x)2 - (3y)2]

= 2y (2x + 3y) (2x - 3y)

Concept: Factorising Completely
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Chapter 13: Factorisation - Exercise 13 (E) [Page 162]

APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 13 Factorisation
Exercise 13 (E) | Q 3 | Page 162
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