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Multiply 12 - 7i and -5 - 2i
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Multiply 12 - 7i and -5 - 2i

User Abel Valdez
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\begin{gathered} (12-7i)\cdot(-5-2i) \\ =-60-24i+35i-14=(-60-14)+(35-24)i=-74+11i \end{gathered}

User EamonnM
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