Oral Quest

Algebra Level 3

\[\large{A=(w+x)(y-z)+(w+y)(z-x)+(w+z)(x-y) \\ B=(w-x)(y-z)+(w-y)(z-x)+(w-z)(x-y)} \]

Compare \(A,B\) for \(w,x,y,z \in \mathbb{R}\)

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