Simplify $( 3 - 6 i ) ^ { 2 } - ( 3 + 6 i ) ^ { 2 }$ and write the answer in standard form.
A) 0
B) $- 72 i$
C) $18 - 72 i$
D) $18 + 72 i$
E) $6 - 24 i$

Name: Simplify $( 3 - 6 i ) ^ { 2 } - ( 3 + 6 i ) ^ { 2 }$ and write the answer in standard form. A) 0 B) $- 72 i$ C) $18 - 72 i$ D) $18 + 72 i$ E) $6 - 24 i$
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Question

Quizplus · Accepted Answer

The given expression simplifies as follows: $(3 - 6i)^2 - (3 + 6i)^2 = (9 - 36i + 36) - (9 + 36i + 36) = 45 - 36i - 45 - 36i = -72i$, which is in standard form.

Simplify (3−6i)2−(3+6i)2( 3 - 6 i ) ^ { 2 } - ( 3 + 6 i ) ^ { 2 }(3−6i)2−(3+6i)2

Simplify $( 3 - 6 i ) ^ { 2 } - ( 3 + 6 i ) ^ { 2 }$