A=3,b=13,c=-10
D=b^2-4ac=13^2-4*3*(-10)=169+120=289
D=17^2
X1=-b+17/2a=-13+17/6=4/6=2/3
X2=-b-17/2a=-13-17/6=-30/6=-5
2x²+6x+1=0
x²-5x+3=0
x²-2x-24=0
x²+4x-21=0
5x²+14x-24=0
А) у= х-3 => k= 1, m= -3
<span>Б) у= -2/3х + 0,75 => k=- 2/3, m= 0,75</span>
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