How to do part ii i have no idea how to continue

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junior college 1 | H2 Maths
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junior college 1 H2 Maths Singapore

How to do part ii i have no idea how to continue

Date Posted: 5 years ago

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Good afternoon Angelina! Here are my workings for part (ii). In circles are pairs which can cancel out.

Date Posted: 5 years ago

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Hi Angelina! The earlier part (i) is no more than stubborn expansion of the brackets and the following simplification.

Date Posted: 5 years ago

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Hi Angelina! Here are my workings for part (iii) for completeness.

Date Posted: 5 years ago