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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 8
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Syllabus

Factorise : 3x3 – 45x2y + 225xy2 – 375y3 - Mathematics

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Question

Factorise : 3x3 – 45x2y + 225xy2 – 375y3

Sum
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Solution

= 3x3 – 45x2y + 225xy2 – 375y3

= 3(x3 – 15x2y + 75xy2 – 125y3)

= 3(x3 – 3x2(5y) + 3x(5y)2 – (5y)3)

= 3(x – 5y)3

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Expansion of (a - b)3
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Q 10
Chapter 3: Algebra - Exercise 3.5 [Page 97]

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Samacheer Kalvi Mathematics [English] Class 8 TN Board
Chapter 3 Algebra
Exercise 3.5 | Q 10 | Page 97

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