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​Q18: Answers – Paper 1 – June 2019

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Content:

• ​The Difference of Two Squares​

Quizzes:​

• ​The Difference of Two Squares

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Mark Scheme

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Working
​Here is an identity.

​Use the identity to work out the value of

You must show your working.

​b) Factorise

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Question

18)
​a) Here is an identity.

Use the identity to work out the value of

You must show your working.

[2 marks]

​b) Factorise

[1 mark]

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