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Find the real numbers x and y if (x-iy)(...

Find the real numbers x and y if `(x-iy)(3+5i)` is the conjugate of -6-24i.

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  3. Find the real numbers x and y if (x-iy)(3+5i) is the conjugate of -6-2...

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  13. Multiply: (2+5i)(4-3i)

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