<span>4х^2+6x-2=х^2-2x+1</span>
<span></span>
<span>3x^2+8x-3=0</span>
<span>D=64+36=100</span>
x₁=(-8+10)/6=1/3
x₂=(-8-10)/6=-3
4x^2+6x-2=x^2-2x+1
4x^2+6x-2-x^2+2x-1=0
3x^2+8x-3=0
D=b^2-4ac
D=64+4*3*3=100
x1=-8+10/6=2/6=1/3
x2=-8-10/6=-3
3(1,2x+3y)-2(0,3x-13y)=3,6x+9y-0,6x+26y=3x+35y
x^2-3x+1=0
D=(-3)^2-4*1*1=5
x1,2=3 + или -корень из 5
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