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

Ax = 3, y = 3
Bx = -3, y = 3
Cx = 3, y = -3
Dx = 6, y = -3
Answer & Solution
Correct answer: C. x = 3, y = -3
Setting (3x+5y) + i(5x-3y) equal to -6 + 24i gives x = 3 and y = -3.
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