2(3x+2y-4z+5)+3(5x-8y+2z-1)+(4y-2y+7z+8)
doprowadż do jaj najprostszej postaci
6x+4y-8z+10+15x-24y+6z-3+4y-2y+7z+8 = 21x - 18y + 5z + 15
2(3x+2y-4z+5)+3(5x-8y+2z-1)+(4y-2y+7z+8)=6x+4y-8z+10+15x-24y+6z-3+4y-2y+7z+8=21x-18y+5z+15
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6x+4y-8z+10+15x-24y+6z-3+4y-2y+7z+8 = 21x - 18y + 5z + 15
2(3x+2y-4z+5)+3(5x-8y+2z-1)+(4y-2y+7z+8)=6x+4y-8z+10+15x-24y+6z-3+4y-2y+7z+8=21x-18y+5z+15