Multiply. Write your answer in a + bi form.(4 + 2i)(5 - 7i)

A. 34 + 18i
B. 34 - 18i
C. 6 + 38i
D. -14i2 - 18i + 20


Answer: B

Mathematics

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A.
B.
C.
D.

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A. , y = - 
B. , x = - 
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A. {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} B. {100} C. {10} D. {1, 10}

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A. 3.938 B. 1.969 C. 58.969 D. 1.313

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