Factorise: X2y2 - 3xy - 40 - Mathematics

Sum

factorise: x²y² - 3xy - 40

x²y² - 3xy - 40

= x²y² - 8xy + 5xy - 40

= xy (xy - 8) + 5 (xy - 8)

= (xy - 8)(xy + 5)

Concept: Factorisation by Grouping

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Chapter 13: Factorisation - Exercise 13 (F) [Page 163]

Chapter 13 Factorisation
Exercise 13 (F) | Q 4.7 | Page 163

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