$$z_1=3+2i\ ;\ z_2=-3-2i$$

$$z_1=2+3i$$ ; $$z_2=-2-3i$$

$$z_1=2+3i\ ;\ z_2=2-3i$$

$$-5-12i$$

$$4-9i$$

$$-5+12i$$

$$z_1=-2+1i\ ;\ z_2=2-1i$$

$$z_1=1+2i\ ;\ z_2=1-2i$$

$$z_1=-2-1i\ ;\ z_2=2+1i$$

$$9+6i$$

$$9-6i$$

$$8+6i$$

$$z_{1,2}=\frac{-1\pm i\sqrt{3}}{2}$$

$$z_{1,2}=\frac{1\pm i\sqrt{3}}{2}$$

$$z_{1,2}=\frac{-1\pm\sqrt{3}}{2}$$

$$1-4i$$

$$-3-4i$$

$$-3+4i$$

$$z_1=2+1i\ ;\ z_2=-2-1i$$

$$z_1=1+2i\ ;\ z_2=-1-2i$$

$$z_1=2-1i\ ;\ z_2=-2+1i$$

$$z_{1,2}=\frac{2\pm i}{2}$$

$$z_{1,2}=2\pm i$$

$$z_{1,2}=1\pm i$$

$$z=2\left(\cos\frac{\pi}{6}+i\sin\frac{\pi}{6}\right)$$

$$z=\left(\cos\frac{\pi}{3}+i\sin\frac{\pi}{3}\right)$$

$$z=2\left(\cos\frac{\pi}{3}+i\sin\frac{\pi}{3}\right)$$

$$16+40i-25$$

$$16-40i-25$$

$$-9+40i$$

$$-7-24i$$

$$9-24i$$

$$-7+24i$$

$$\left|z\right|=4\sqrt{2}$$

$$\left|z\right|=4\sqrt{2}$$

$$\left|z\right|=3$$

$$25-120i-144$$

$$-119+120i$$

$$25+120i-144$$

$$z_{1,2}=-4\pm 2i$$

$$z_{1,2}=2\pm 2i$$

$$z_{1,2}=-2\pm 2i$$

$$z_1=-3+2i\ ;\ z_2=3-2i$$

$$z_1=3+2i\ ;\ z_2=-3-2i$$

$$z_1=3-2i\ ;\ z_2=-3+2i$$