Question

Algebra:

Answer 1

Perform the indicated operation and express the result as a simplified complex number.
(−4 + 5i) − (2 − i)

Answer 2

step one \[-4+5i-2+i\] step two is combine like terms

Answer 3

Perform the indicated operation and express the result as a simplified complex number.
(1 + 4i)(7 − i)

Answer 4

\[(a+bi)(c+di)=ac-bd+(ad+bc)i\]

Answer 5

lol \[-\frac{36}{37}-\frac{29}{37}i\] is what it wants

Answer 6

it still says wrong

Answer 7

lets see

Answer 8

nevermind dont work on it anymore it wont let me answer again

Answer 9

oh i made a typo, sorry

Answer 10

Woah too many questions! One at a time please.

Answer 11

i guess they want you to multiply like \[\sqrt{2}i(\sqrt{2}i-\sqrt{7}i)\]