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2. 2(x+ 1/2)-3(x+4) =2x+1-3x-12=-x-11
Wyłącz przed nawias
8x²y-12xy+24xy²= xy(8x-12+24y)=4xy(2x-3+6y)
1. (x+4)-(5x-3) =x+4-5x+3=-4x+7
2. 2(x+ 1/2)-3(x+4) =2x+1-3x-12=-x-11
Wyłącz przed nawias
8x²y-12xy+24xy²=4xy(2x-3+6y)
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