Question 346722
(- 4 − 9i) ⁄ (4 − i)   


multiply by 1 = (4 + i)/(4 + i)


(- 16 − 4i − 36i + 9) ⁄ (16 + 1) 


NOTE:   i^2 = -1

  

(- 7 − 40i) ⁄ 17

  

(- 7 ⁄ 17) − (40 ⁄ 17) • i