4х²-х-3=0
D=b²-4ac=(-1)²-4*4*(-3)=1+48=49
x1=(-b+√D)/(2a)=(1+7)/(2*4)=1
x2=(-b-√D)/(2a)=(1-7)/(2*4)=-0,75
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4х²-х-3=0
D=b²-4ac=(-1)²-4*4*(-3)=1+48=49
x1=(-b+√D)/(2a)=(1+7)/(2*4)=1
x2=(-b-√D)/(2a)=(1-7)/(2*4)=-0,75