Add or subtract as indicated. ( $-$ 3 $-$ 4 i ) $-$ ( $-$ 6 $-$ 7 i )
A) 11 + 9 i
B) $-$ 3 + 11 i
C) $-$ 9 $-$ 3 i
D) 3 + 3 i

Name: Add or subtract as indicated. ( $-$ 3 $-$ 4 i ) $-$ ( $-$ 6 $-$ 7 i ) A) 11 + 9 i B) $-$ 3 + 11 i C) $-$ 9 $-$ 3 i D) 3 + 3 i
Brand: Quizplus
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Question

Quizplus · Accepted Answer

To solve this, we distribute the minus sign across the second complex number and then add the real parts and the imaginary parts separately: $(-3 - 4i) - (-6 - 7i) = -3 - 4i + 6 + 7i = 3 + 3i.$

Add or Subtract as Indicated −-− 3 −-− 4 I ) −-− −-−

Add or Subtract as Indicated $-$ 3 $-$ 4 I ) $-$ $-$