Ineed it in standard form & to be simplified

  -i + (7 - 5i) - 3(2 - 3i)

=  -i + 7 - 5i - 6 + 9i

=  -i - 5i + 9i   + 7 - 6

=  3i  + 1

3i  + 1

i believe the answer is the polygon, heptagon.

hello :

by applying the distributive property :

6 × 4.3 = 6 × ( 4 + 0.3 )

            =   (6 ×   4) + (6 ×   0.3)

            = 24 + 1.8

6 × 4.3 = 25.8