x3-23x2-142x-120=x=-1

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Solution for x3-23x2-142x-120=x=-1 equation: 



x3-23x^2-142x-120=x=-1

We move all terms to the left:

x3-23x^2-142x-120-(x)=0

We add all the numbers together, and all the variables

-23x^2+x^3-143x-120=0

We do not support expression: x^3

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