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Multiply Write the Answer in the Form a + Bi $( - 3 - 4 i ) \cdot ( 7 + 10 i )$

Question 133

Multiple Choice

Multiply. Write the answer in the form a + bi. $( - 3 - 4 i ) \cdot ( 7 + 10 i )$

A) 19
B) $- 21 - 40 i$
C) $- 61 - 58 i$
D) $19 - 58 i$

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