Solve the following cubic equations. Enter each solution as a comma-separated list, for instance -2, -1/2, 3.
$%0; \ x={}$ \t BOX* \t
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MESSAGE
$%1; \ x={}$ \t BOX* \t
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\\ \t $\ $ ACTIVEMATH
MESSAGE
$%2; \ x={}$ \t BOX* \t
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\\ \t $\ $ ACTIVEMATH
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$%3; \ x={}$ \t BOX* \t
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\\ \t $\ $ ACTIVEMATH
MESSAGE
$%4; \ x={}$ \t BOX* \t
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\\ \t $\ $ ACTIVEMATH
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RANDOMIZE