-(x²-2x)+(-3x+2x²)(2)-2(a²-3ab)-3(ab-2a²)
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-(x²-2x)+(-3x+2x²)(2)-2(a²-3ab)-3(ab-2a²)
-x²+2x-3x+2x²=x²-x=x(x-1)
-2a²+6ab-3ab+6a²=4a²+3ab
-x²+2x-3x+2x²=x²-x=x(x-1)
-2a²+6ab-3ab+6a²=4a²+3ab
-x²+2x-3x+2x²=x²-x=x(x-1)
-2a²+6ab-3ab+6a²=4a²+3ab