Answer
$I = 1.7+2.8~i$
Work Step by Step
$I = \frac{E}{R+(X_L-X_C)~i}$
$I = \frac{12~(cos~25^{\circ}+i~sin~25^{\circ})}{3+(4-6)~i}$
$I = \frac{12~(cos~25^{\circ}+i~sin~25^{\circ})}{3-2~i}$
$I = \frac{12~(cos~25^{\circ}+i~sin~25^{\circ})}{3-2~i}~\times~\frac{3+2~i}{3+2~i}$
$I = \frac{12~(3~cos~25^{\circ}-2~sin~25^{\circ}+i~3~sin~25^{\circ}+i~2~cos~25^{\circ})}{9+4}$
$I = \frac{12~(1.873687+3.0805~i)}{13}$
$I = 1.7+2.8~i$