AIR MATH

Math Question

Which values of \( x \) and \( y \) would make the following expression represent a real number? \( (4+5 i)(x+y i) \) \( x=4, y=5 \) \( x=-4, y=0 \) \( x=4, y=-5 \) Please Wait \( x=0, y=5 \)

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