Solve the problem.Is the complex number  a solution of the equation  Explain.

A. No; because (2 - 4i)2 - 4(2 - 4i) ? -20
B. Yes; because (2 - 4i)2 - 4(2 - 4i) = -20
C. No; because (2 - 4i)2 - 4 ? -20
D. Yes; because (2 - 4i)2 - 4 = -20


Answer: B

Mathematics

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