H(4)=x3+2x

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Solution for H(4)=x3+2x equation: 



(4)=H3+2H

We move all terms to the left:

(4)-(H3+2H)=0

We add all the numbers together, and all the variables

-(+H^3+2H)+4=0

We get rid of parentheses

-H^3-2H+4=0

We do not support eHpression: H^3

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