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algebra

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Could someone please help me with this?

(1) If x is a nonzero real number, is x–2 always positive, always negative, or positive or negative depending on whether x is positive or negative? Explain your answer.

  • algebra -

    let x =10
    then (x-2) = 8 which is positive

    let x = -5
    then x-2 = -7 which is negative,

    so ......

    what do you think?

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