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x²-4x+4 ≤ 14- (4-x²)
x²-4x+4 ≤ 14-4+x²
x²-4x-x² ≤ 10-4
-4x ≤ 6 //:( -4)
x ≥ - 6/4
x ≥ -3/2
x ∈ < -3/2 ; + ∞ )
zadna propozycja A;B;C;D nie zawiera tego rozwiazania