Question 841437
By definition {{{i = sqrt(-1)}}}


{{{(5+3i) - (3-5i) + sqrt(-1)}}}


{{{(5+3i) - (3-5i) + i}}}


{{{5+3i - 3+5i + i}}}


{{{(5-3)+(3i+5i + i)}}}


{{{2+9i}}}


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So, {{{(5+3i) - (3-5i) + sqrt(-1)}}} simplifies to {{{2+9i}}}