Řeš v ℝ rovnice:
\large \Large \frac{{4 x+9}}{{2 x-3}}\large = \Large \frac{{3 x+8}}{{4-x}}\large
\large K = \left \{ { \pm \sqrt 7 } \right \}
\large K = \left \{ { \pm \sqrt 8 } \right \}
\large K = \left \{ { \pm \sqrt 5 } \right \}
\large K = \left \{ { \pm \sqrt 6 } \right \}