[tex]\frac{8}{x}=3x\\\\3x^2=8\ \ \ |:3\\\\x^2=\frac{8}{3}\\\\x=\pm\sqrt{\frac{8}{3}}\\\\x\approx-1,6\ \ \ lub\ \ \ x\approx1,6\\\\\\3\cdot(-\sqrt{\frac{8}{3}})\approx3\cdot(-1,6)\approx-4,8\\3\cdot\sqrt{\frac{8}{3}}\approx3\cdot1,6\approx4,8\\\\A(-1,6;-4,8)\ \ B(1,6;4,8)[/tex]
