Solve for V_B, V, V_L
V_{B}=45V\text{, }V\in \mathrm{R}\text{, }V_{L}=-15\sqrt{7}\approx -39.686269666
V_{B}=45V\text{, }V\in \mathrm{R}\text{, }V_{L}=15\sqrt{7}\approx 39.686269666
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