Б) 10x^2-13x-3=0
D=169+120=289=17
X 1= 13-17/20=-1/2
X2 =13+17/20=1.5
А) X 1=5+5sqrt5/2
X2=5-5sqrt5/2
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Б) 10x^2-13x-3=0
D=169+120=289=17
X 1= 13-17/20=-1/2
X2 =13+17/20=1.5
А) X 1=5+5sqrt5/2
X2=5-5sqrt5/2