## College Algebra (11th Edition)

$-14+13i$
$\bf{\text{Solution Outline:}}$ To simplify the given expression, $15i-(3+2i)-11 ,$ remove the grouping symbols and then combine the real parts and the imaginary parts. $\bf{\text{Solution Details:}}$ Removing the grouping symbols, the expression above is equivalent to \begin{array}{l}\require{cancel} 15i-3-2i-11 .\end{array} Combining the real parts and the imaginary parts results to \begin{array}{l}\require{cancel} (-3-11)+(15i-2i) \\\\= -14+13i .\end{array}