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        "name": "1_3 Simplification and Factorisation",
        "intro": "In this quiz we explain what is meant by the phrase \u2018like terms\u2019 and show how like terms are\ncollected together and simplified. Next we consider removing brackets. In order to simplify an expression which contains brackets it is often necessary to rewrite the expression in an equivalent form but without any brackets. This process of removing brackets must be carried out according to particular rules which are described here. Finally, factorisation, which can be considered as the reverse of the process, is dealt with. It is essential that you have had plenty practice in removing brackets before you study factorisation.",
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            "heading": "ADDITION AND SUBTRACTION OF LIKE TERMS",
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            "heading": "REMOVING BRACKETS FROM EXPRESSIONS A(B + C) AND A(B \u2212 C)",
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            "heading": "REMOVING BRACKETS FROM EXPRESSIONS OF THE FORM (A + B)(C + D)",
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            "heading": "FACTORISATION",
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            "heading": "FACTORISING QUADRATIC EXPRESSIONS",
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