Hi I am not sure how to solve this can give me some advice on how to do this que

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secondary 4 | A Maths
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secondary 4 A Maths Singapore

Hi I am not sure how to solve this can give me some advice on how to do this question.

Date Posted: 3 years ago

Noiz

3 years ago

Expand (a + b)^2
Then minus 2ab

Check comments thx

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Date Posted: 3 years ago