x8+21=x2+93

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Solution for x8+21=x2+93 equation: 



x8+21=x2+93

We move all terms to the left:

x8+21-(x2+93)=0

We add all the numbers together, and all the variables

-(+x^2+93)+x8+21=0

We add all the numbers together, and all the variables

x^8-(+x^2+93)+21=0

We get rid of parentheses

x^8-x^2-93+21=0

We do not support expression: x^8

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