SOLUTION: I need to solve this problem and show my work. Can anyone help? Write each expression in the form of a + bi, where a and b are real numbers. -3i(4i � 1)

SOLUTION: I need to solve this problem and show my work. Can anyone help? Write each expression in the form of a + bi, where a and b are real numbers. -3i(4i � 1)

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Question 44183: I need to solve this problem and show my work. Can anyone help?
Write each expression in the form of a + bi, where a and b are real numbers.
-3i(4i � 1)

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
-3i(4i � 1)
=(-3i)(4i-1)
=(-3i)(4i)-(-3i)(1)
=-12i^2+3i
=-12((-1)+3i
=12+3i
Cheers,
Stan H.
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