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Factorise : z²-2z-8

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Factorise : z²-2z-8

    • Posted by Tanupreet Kaur 5 years, 1 month ago

    CBSE > Class 08 > Mathematics
    • 1 answers

    Yogita Ingle 5 years, 1 month ago

    To Factorise : z2−2z−8

    By splitting the middle term

    =z2−4z+2z−8

    =z(z−4)+2(z−4)

    =(z+2)(z−4)

    So, z2−2z−8=(z+2)(z−4)

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