Solve $(2x+3{)}^2=50$ and simplify the answers.

$x=-\frac{3}{2}$ or $x=\frac{5\sqrt{2}}{2}$

$x=-\frac{3+5\sqrt{2}}{2}$ or $x=-\frac{3-5\sqrt{2}}{2}$

$x=\frac{3+5\sqrt{2}}{2}$ or $x=\frac{3-5\sqrt{2}}{2}$

$x=-3+\sqrt{50}$ or $x=-3-\sqrt{50}$