Question

(9 − 9i) − (−7+ 2i)
Simply

Answer 1

16 - 11i

Explanation:

When Adding or Subtracting any Complex Number

we Add or Subtract the Real Parts together and Add or Subtract the Imaginary Parts together

So for our Question

( 9 - 9i ) - ( -7 + 2i ) = ( 9 - (-7) ) + ( -9 - 2 )i = 16 - 11i

Answer 2

Explanation:

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