Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 9th
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Factorise the following: 6 – 216x2 - Mathematics

Sum

Factorise the following:

6 – 216x

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Solution

6 – 216x2 = 6[1 – 36x2]

= 6[1 – (6x)2] ...[a2 – b2 = (a + b)(a – b)]

= 6(1 + 6x)(1 – 6x)

Concept: Factorisation Using Identity a2 - b2 = (a + b)(a - b)
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APPEARS IN

Samacheer Kalvi Mathematics Class 9th Tamil Nadu State Board
Chapter 3 Algebra
Exercise 3.5 | Q 2. (v) | Page 105
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