z4+15=z2+5

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Solution for z4+15=z2+5 equation: 



z4+15=z2+5

We move all terms to the left:

z4+15-(z2+5)=0

We add all the numbers together, and all the variables

-(+z^2+5)+z4+15=0

We add all the numbers together, and all the variables

z^4-(+z^2+5)+15=0

We get rid of parentheses

z^4-z^2-5+15=0

We do not support ezpression: z^4

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