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( 2 + i ) * ( 2 - i ) = ____________________ + ____________________
( 2 + i ) * ( - 2 + i ) = - ____________________ + ____________________
( 1 - i ) * ( 1 - i ) = ____________________ - ____________________
( 3 - 2i ) * ( - 1 - i ) = - ____________________ - ____________________
( 1 + 2i ) * ( 2 + i ) = ____________________ + ____________________
( 3 - 2i ) * ( - 1 - i ) * ( 4 + 5i ) = ____________________ - ____________________
( 8 - 2i ) * ( ( - 1 - i ) + ( 2 + 3i ) ) = ____________________ + ____________________
3 * ( 2 + i ) * ( 7 + 2i ) = ____________________ + ____________________