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14-03-2021
Mathematics

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Factorise the following.

Factorise the following class=

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siya90258 siya90258

14-03-2021

Answer:

Q.1 49x²- 25y²

= (7x)² - (5y)²

= (7x+5y)(7x - 5y)

Q.2 x²y² - 64

=(xy)² - (8)²

=(xy+8)(xy - 8)

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