zredaguj wyrazy podobne
a) -(3x+3)-[-(x-5)+(4x-4)]
b) 4xdo potengi 2 -2xydo potengi2+1/4xdo potengi 2y+8yx-12do potengi2x
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a) -3x-3+x-5-4x+4=-6x-4