Řeš v \mathbb{R} rovnice:
\large 3\sqrt {x + 5} = x + 5
\large K = \left \{ { - 5;4} \right \}
\large K = \left \{ { - 5;3} \right \}
\large K = \left \{ { - 5;5} \right \}
\large K = \left \{ { 0;4} \right \}