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Δ=4+16
√Δ=√20=2√5
x1=
x1=-√5
x2=(2+2√5):2
x2=√5
Δ=1+4*6*1/3
Δ=9
√Δ=3
x1=
x1=-3
x2=
x2=6
A w ostatnim co jest przed 9x?