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Factorise: 5"X"^2 - (20"X"^4)/9 - Mathematics

Sum

factorise:  `5"x"^2 - (20"x"^4)/9`

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Solution

`5"x"^2 - (20"x"^4)/9`

`= 5"x"^2[1 - "4x"^2/9]`

`= 5"x"^2 [1 - "2x"/3][1 + "2x"/3]`

Concept: Factorisation of Trinomials
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APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 13 Factorisation
Exercise 13 (F) | Q 6.8 | Page 163
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