Type this command into latex then a normal condition will appear ; if the condition in the picture is not clear to you:if \ a ; b ; c \ \ are \ \ real \ \ numbers \ \ then \ \ find:\\\\a^2+b^2+c^2=? \ \ \ \ \\\\if : \\\\\left \{ \begin {array}{ccc} a^2+2b=7 \\ b^2+4c =-7 \\c^2+6a=-14 \end{array } \right .
