January 2019 1 20 Report
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Przedstaw trójmian kwadratowy w postaci iloczynowej.

a) y= -2x^2 + 4x - 1
b) y= -4x^2 + 2x + 1
c) y= x^2 - 2x + 1/2

Wyniki to:
a) -2(x-1-√2/2) (x-1+√2/2)
b) -4(x-1+√5/4) (x-1-√5/4)
c) (x-1+√2/2) (x-1-√2/2)
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