Expanding and Factorising Quadratics


    Expanding Double Brackets

    Question
    ( x + 2 ) ( x + 2 )

    Answer x 2 + 4 x + 4



    Question
    ( x + 2 ) ( x + 4 )

    Answer x 2 + 6 x + 8



    Question
    ( x + 3 ) ( x + 6 )

    Answer x 2 + 9 x + 18



    Question
    ( x + 10 ) ( x + 8 )

    Answer x 2 + 18 x + 80



    Question
    ( x − 8 ) ( x − 9 )

    Answer x 2 − 17 x + 72



    Question
    ( x − 9 ) ( x − 11 )

    Answer x 2 − 20 x + 99



    Question
    ( x + 8 ) ( x − 5 )

    Answer x 2 + 3 x − 40



    Question
    ( x − 11 ) ( x − 9 )

    Answer x 2 − 20 x + 99



    Question
    ( x − 10 ) ( x − 5 )

    Answer x 2 − 15 x + 50



    Question
    ( x − 8 ) ( x − 11 )

    Answer x 2 − 19 x + 88



    Question
    ( x − 7 ) ( x − 6 )

    Answer x 2 − 13 x + 42



    Question
    ( x − 7 ) ( x − 5 )

    Answer x 2 − 12 x + 35



    Question
    ( x + 9 ) ( x − 5 )

    Answer x 2 + 4 x − 45



    Question
    ( x + 13 ) ( x − 5 )

    Answer x 2 + 8 x − 65



    Question
    ( x − 13 ) ( x − 8 )

    Answer x 2 − 21 x + 104



    Question
    ( x + 10 ) ( x − 10 )

    Answer x 2 − 100



    Factorising Quadratics

    Question
    x 2 + 3 x + 2

    Answer ( x + 1 ) ( x + 2 )



    Question
    x 2 + 7 x + 10

    Answer ( x + 2 ) ( x + 5 )



    Question
    x 2 + 3 x + 2

    Answer ( x + 1 ) ( x + 2 )



    Question
    x 2 + 13 x + 30

    Answer ( x + 10 ) ( x + 3 )



    Question
    x 2 − 6 x − 27

    Answer ( x + 3 ) ( x − 9 )



    Question
    x 2 − 4 x + 4

    Answer ( x − 2 ) ( x − 2 )



    Question
    x 2 − 3 x − 28

    Answer ( x + 4 ) ( x − 7 )



    Question
    x 2 + 2 x − 24

    Answer ( x + 6 ) ( x − 4 )



    Question
    x 2 − 9

    Answer ( x + 3 ) ( x − 3 )



    Question
    x 2 − 49

    Answer ( x + 7 ) ( x − 7 )



    Question
    x 2 − 64

    Answer ( x + 8 ) ( x − 8 )



    Question
    x 2 − 4 x − 32

    Answer ( x + 4 ) ( x − 8 )



    Question
    x 2 + 5 x − 66

    Answer ( x + 11 ) ( x − 6 )



    Question
    x 2 − 6 x − 91

    Answer ( x + 7 ) ( x − 13 )



    q

    Question
    x 2 − 144

    Answer ( x + 12 ) ( x − 12 )



    Question
    x 2 − 5 x − 104

    Answer ( x + 8 ) ( x − 13 )



8th October 2019

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