For z = -3 + 5i, evaluate $z + \overline{z}$
Note: $\overline{z}$ denotes the conjugate of z.
Given $z=-3+5i$, what is the conjugate $\overline{z}$ of $z$? Plug in $-3+5i$ for $z$ and the value of the conjugage $\overline{z}$ into the formula $z + \overline{z}$ then simplify to get the answer.
