Řeš v ℝ rovnice:
\large \left( x + 2\right) \left( x + 3\right) = 0
\large K = \left \{ { - 3;- 2} \right \}
\large K = \left \{ { 3; 2} \right \}
\large K = \left \{ { - 3; 2} \right \}
\large K = \left \{ { - 2; 3} \right \}