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secondary 2 | Maths
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Jit meng
Jit Meng

secondary 2 chevron_right Maths chevron_right Singapore

Pls help with question 2. Thanks

Date Posted: 5 years ago
Views: 310
J
J
5 years ago
You have to use the property (a - b)(a + b) = a² - b² twice.

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Koh Ming Wei Keith
Koh Ming Wei Keith's answer
26 answers (Tutor Details)
1st
This is the usage of the 3 algebra fundamental expansions.