September 2018 1 15 Report

1.a) (x-3)(x²+2x-1)-2x(x²-3x-1)

b) 2(x-1)²-(x-2)²+(2x-1)(2x+1)

c) (x³-8x+15x-8)÷(x-1)

2. Rozwiąz rownania:

a) x⁴-2x²=0

b)4x³-8x²-x+2=0

c) 2x+3÷3x+2=6x+6÷5x+4

3. Rozwiąż nierówności

a) x³-4x≤0

b) 3x-1÷x-2>0


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