Question 146082
{{{3i(3+8i)}}}  Start with the given expression 



{{{3i*3+3i*8i}}} Distribute 3i to {{{3+8i}}}



{{{9i+24i^2}}} Multiply



{{{9i+24(-1)}}} Replace {{{i^2}}} with -1



{{{9i-24}}} Multiply



{{{-24+9i}}} Rearrange the terms