Two point charges lie on the $x$ axis. A charge of $6\mathrm{.}1C$ is at the origin, and a charge of $-9\mathrm{.}6C$ is at $x=10\mathrm{.}0cm.$

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What is the net electric field at $x=-4\mathrm{.}0cm?$

Express your answer using two significant figures.

Part B

What is the net electric field at $x=+4\mathrm{.}0cm?$

Express your answer using two significant figures