Asked by mada

(3+4i)+(-5+7i)

15 years ago

Answered by Reiny

treat the i terms just like they were a variable
(3+4i)+(-5+7i)
= 3 + 4i - 5 + 7i
= 11i - 2

remember we can only add/subtract like terms.

15 years ago

Answered by mada

thanks :)

15 years ago

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