已知(x^3n-2)^2·x^2n+4÷x^n=x^2n-5,求n的值

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已知(x^3n-2)^2·x^2n+4÷x^n=x^2n-5,求n的值已知(x^3n-2)^2·x^2n+4÷x^n=x^2n-5,求n的值已知(x^3n-2)^2·x^2n+4÷x^n=x^2n-5

已知(x^3n-2)^2·x^2n+4÷x^n=x^2n-5,求n的值
已知(x^3n-2)^2·x^2n+4÷x^n=x^2n-5,求n的值

已知(x^3n-2)^2·x^2n+4÷x^n=x^2n-5,求n的值
(x^3n-2)^2·x^2n+4÷x^n=x^2n-5
x^9n^2+2n/x^n=x^2n-5
x^9n+2=x^2n-5
9n+2=2n-5
7n=-7
n=-1