Mathematics

Question

Simplify {n - 1 - [n - 1 - (n - 1)]}.

2 Answer

  • don't forget the invisble negative ones to distriute
    do inside to outside

    {n-1-1[n-1-1(n-1)]}
    do inside
    {n-1-1[n-1-n+1]}
    simplify inner parenthasees
    {n-1-1[n-n+1-1]}
    {n-1-1[0]}
    multply
    {n-1-0}
    add
    n-1-0=n-1


    it is n-1 simplified

  • {n - 1 - [n - 1 - (n - 1)]}

    =n - 1 - n + 1 + n - 1

    =n -1

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