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26 December, 07:14

Explain and correct the error made by a student who simplified this expression.

-2x - 4x + 8y - y

(-2 - 4) x + (8 - 0) y

-6x + 8y

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Answers (1)
  1. 26 December, 07:30
    0
    Mistake: (8-0) y

    Correction: (8-1) y

    Step-by-step explanation:

    Explanation:

    if 8y/y = 8

    then

    y/y = 1

    Factoring = division

    Foiling = multiplication

    Disclaimer:

    I am human and may make mistakes. Always double check your work with a reliable source.
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