NUMERIC For the following exercises, perform the indicated operation and express the result as a simplified complex number. 17. (3 + 21) + (5 - 31) 18. (-2 - 41) + (1 + 6i) 19. (-5 + 31) - (6 -1) 20. (2 - 3i) - (3 + 2i) 21. (-4 + 4i) - (-6 + 9i) 22. (2 + 3i)(41) 23. (5 - 2i) (3i)- 24. (6 - 21)(5) 25. (-2 + 4i) (8) 26. (2 + 31)(4 - i) 27. (-1 + 2i)(-2 + 3i) 28. (4 - 21)(4 + 2i) 29. (3 + 4i) (3 - 4i) 30. 3 + 4i 31 6 - 21 2 3 32, _5+ 3i 2i 33. 6 + 4i 34. 2 - 31 N. 4 + 3i