Question 267876
{{{-9/i}}}
Multiply top and bottom by {{{i}}}
{{{(-9/i)*(i/i)}}}
{{{(-9i)/i^2}}}

{{{(-9i)/(-1)}}}
{{{9i}}}
{{{0 + 9i}}} answer
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{{{(9 + 3i)/(4 - 8i)}}}
Multiply top and bottom by {{{4 + 8i}}}
{{{((9 + 3i)/(4 - 8i)) * ((4 + 8i)/(4 + 8i))}}}
{{{((9 + 3i)*(4 + 8i))/((4 + 8i)(4 - 8i))}}}
{{{(36 + 12i + 72i - 24)/(16 + 32i - 32i + 64)}}}
{{{12 + 84i)/80}}}
{{{(3/20) + (21/20)i}}}