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Problem 1. Simplify the following expressions using complex numbers. Please write your answer in the form of a + bi. (a). (-9-2i)-(-8 - 5i),

Problem 1. Simplify the following expressions using complex numbers. Please write your answer in the form of a + bi. (a). (-9-2i)-(-8 - 5i), (b). (32i)(4 - 6i)

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