August 2018 1 12 Report
1 Zapisz w jak najprostszej postaci.

a)2x(x-5)-3(x²-2x)+(x-2)x
b)a(a + b + c) - b (a - b + c) - c (a- b- c)
C)x(x²+2x+1)-(-4x³+8²-6):2
d)12b* b-1 + 14* b²-2b - b-b²
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4 21 3



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