In the figure particle $1$ of charge q$1=-5\mathrm{.}03$q and particle $2$ of charge q$2=+2\mathrm{.}03$q are fixed to an x axis. As a multiple of distance L$,$ at what coordinate on the axis is the net electric field of the particles zero?

In the figure particle $1$ of charge $q_1=-5\mathrm{.}03q$ and particle $2$ of charge $q_2=+2\mathrm{.}03q$ are fixed to an $x$ axis. As a multiple of distance $L,$ at what coordinate on the axis is the net electric field of the particles zero?