x=-b±√-bkuadrat-4ac/2a
x=-(-6)±√-6kuadrat-4x2x(-20)/2x2
x=6±√36+160
x=6±√196
x=6±14
x1=6+14=20
x2=6-14=-8
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x=-b±√-bkuadrat-4ac/2a
x=-(-6)±√-6kuadrat-4x2x(-20)/2x2
x=6±√36+160
x=6±√196
x=6±14
x1=6+14=20
x2=6-14=-8