Question 613018
(3+10i)(3+10i)
{{{9 + 30i + 30i + 100i^2}}}
...
{{{highlight_green(100i^2 + 60i + 9)}}}
...
If i is the complex number for {{{sqrt(-1)}}},
{{{(100)sqrt(-1)sqrt(-1) + 60i + 9}}}
100(-1) + 60i + 9
60i - 91
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