Question 764636

{{{( 9 + 5i)( 9 + 8i)}}}


{{{ 9*9 +9* 8i+ 5i* 9 + 5i*8i}}}


{{{81 +72i+ 45i + 40i^2}}}


{{{81 +117i + 40(-1)}}}


{{{81 +117i -40}}}


{{{41 +117i}}}