(x-(18)/(x))^(2)-4(x-(18)/(x))-21=0

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Solution for (x-(18)/(x))^(2)-4(x-(18)/(x))-21=0 equation: 



(x-(18)/(x))^(2)-4(x-(18)/(x))-21=0



Domain of the equation: x)^2!=0

x!=0/1

x!=0

x∈R





Domain of the equation: x)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

(+x-18/x)^2-4(+x-18/x)-21=0

We multiply parentheses

(+x-18/x)^2-4x+72x-21=0

We multiply all the terms by the denominator


(+x-18-4x*x)^2+72x*x)^2-21*x)^2=0

We add all the numbers together, and all the variables

(x-4x*x-18)^2+72x*x)^2-21*x)^2=0

Wy multiply elements

72x^3+(x-4x*x-18)^2=0

We do not support expression: x^3

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