October 2022 2 3 Report
2. Uprosć wyrażenia.
a)-(x+1)+(2x+4)
b) (x+4)+(2x-6)
c) -(2y + 3x) + (-4y+2x+1)
d) -(x-2xy)-(4x+xy)+(xy-x)
e) (x²+2x+1)-(x² - 4x+3)​

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