simplify -x^2-9/2x

I need to simplify this further. Can't figure out how to simplify though.
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1 Answer

-(x^2+9)/2x is the first simplification. The next simplification is factorisation, but this requires using complex numbers: -(x+3i)(x-3i)/2x, where i is the square root of -1. A further simplification is to divide by 2x: -(x/2+3i/2x)(x-3i), but that might be regarded as complication!
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