Solve each equation. 5x^2+45=0 x= square

Rearrange the equality<br />$5{x}^{2}=0-45$ <br />Simpify<br />$5{x}^{2}=-45$ <br />Divive both sides by $5$ <br />$x^2=-9$ <br />As $x^2\ge 0$,$-9<0$,there is no solution for$x$ in real numbers.<br />$x\in \emptyset$ <br />