se5ynormodaedi se5ynormodaedi
  • 08-04-2017
  • Mathematics
contestada

Simplify the expression below as much as possible
(4-5i) +(-2+3i) -(1-7i)
A. 1-9i
B. 1+5i
C. 3+5i
D. 3-9i

Respuesta :

ghanami
ghanami ghanami
  • 08-04-2017
hello :
(4-5i) +(-2+3i) -(1-7i)  = (4-2-1)+(-5+3+7)i =1+5i....( answer : B)
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