x2(x2+1)=216

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Solution for x2(x2+1)=216 equation: 



x2(x2+1)=216

We move all terms to the left:

x2(x2+1)-(216)=0

We add all the numbers together, and all the variables

x2(+x^2+1)-216=0

We multiply parentheses

x^4+x^2-216=0

We do not support expression: x^4

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