x^2-y^2-2yz-2xz-4x+2y+2z+3
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1 Answer

(x+y-3)(x-y-2z-1)=

x²-y²-2xz-2yz-4x+2y+6z+3.

There is a discrepancy, because 6z was 2z in the given expression. All other terms are consistent.

by Top Rated User (815k points)

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