Question

(7+i) - (6-2i) "i" is an imaginary number. aka complex numbers

Answer 1

Now that this is just addition (subtraction), treat "i" as you would any variable.

Answer 2

http://www.google.co.in/#hl=en&tbo=d&output=search&sclient=psy-ab&q=(7%2Bi)+-+(6-2i)&oq=(7%2Bi)+-+(6-2i)&gs_l=hp.3..0i5i30.160351.160351.1.160981.1.1.0.0.0.0.207.207.2-1.1.0.les%3B..0.0...1c.1.N0NGFxfO3zI&psj=1&bav=on.2,or.r_gc.r_pw.r_qf.&fp=582a43b2e56b93fb&bpcl=39650382&biw=1280&bih=677

Answer 3

ok @Qwerty90

Answer 4

7+i- 6+2i=-1+3i

Answer 5

Thank you so much!