[tex]\dfrac{15}{x^2}+\dfrac{2}{x}=1\; \; ,\; \; \; \; ODZ:\; x\ne 0\\\\\\\dfrac{15}{x^2}+\dfrac{2}{x}-1=0\\\\\\\dfrac{15+2x-x^2}{x^2}=0\; \; ,\\\\\\x^2-2x-15=0\; \; ,\; \; x_1=-3\; ,\; x_2=5\; \; \; (teorema\; Vieta)\\\\\\Otvet:\; \; x_1=-3\; ,\; x_2=5\; .[/tex]