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BecomeMyFan=D

  • 4 years ago

|x|=|x-1|+|x+1|

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  1. BecomeMyFan=D
    • 4 years ago
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    how do i solve it??

  2. mstud
    • 4 years ago
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    You could square both sides and simplify, then you'll get a second degree equation to solve, that's my first idea ... x^2=((x-1)+(x+1))^2 --> x^2=(x-1)^2+2(x-1)(x+1)+(x+1)^2 (I know this looks terrible, but see if you can simplify it correctly)

  3. BecomeMyFan=D
    • 4 years ago
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    ok, let me see...

  4. BecomeMyFan=D
    • 4 years ago
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    nope, doesnt work

  5. mstud
    • 4 years ago
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    Well, my CASIO says it has no solutions, that's why :P

  6. BecomeMyFan=D
    • 4 years ago
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    my maple 14 also says it has no solutions

  7. BecomeMyFan=D
    • 4 years ago
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    :D

  8. mstud
    • 4 years ago
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    :D

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spraguer (Moderator)
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