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dinainjune

  • 4 years ago

-|x|+3|x-1|-2|x-2|=x+2, how many solution which have the real number

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  1. pablobw
    • 4 years ago
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    assuming x is real: -sqrt(x^2)-2 sqrt((x-2)^2)+3 sqrt((x-1)^2) = x+2

  2. dinainjune
    • 4 years ago
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    still not understand

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