Упростите выражение: -12х +3xy- 2(x+xy)
-12x+3xy-2(x+xy)=-12x+3xy-(2x+2xy)=-12x+3xy-2x-2xy=-14x+3xy-2xy=-14x+xy=xy-14x
-12х +3xy- 2(x+xy) = -12x+3xy-2x-2xy = -14xy+xy
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-12x+3xy-2(x+xy)=-12x+3xy-(2x+2xy)=-12x+3xy-2x-2xy=-14x+3xy-2xy=-14x+xy=xy-14x
-12х +3xy- 2(x+xy) = -12x+3xy-2x-2xy = -14xy+xy