Question

9x^-1+x-6=0 помогите решить уравнение

Answer 1

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Answer 2

$9 x^{-1} +x-6=0\\ \frac{9}{x} +x-6=0/*x \neq 0\\9+ x^{2} -6x=0\\ x^{2} -6x+9=0\\D=36-4*9=36-36=0\\ x_{0} = \frac{6}{2} =3$