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Are you trying to solve for x?

Fx = x2 - 3

x2 - Fx - 3 = 0

x2 - Fx = 3

x2 - Fx + (F/2)2 = 3 + (F/2)2

(x - F/2)2 = 3 + (F/2)2

x - F/2 = ±[ 3 + (F/2)2 ]1/2

x = F/2 ± [ 3 + (F/2)2 ]1/2

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Q: What is the answer to F times x equals x squared minus 3?
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