Ответ 1)2x^2+2x-4x-4=3x+2
2x^2-5x-6=0
2)2x^2+1/3x-2/3=0
D=1/9+16/3=49/9
x1= 0,5
x2= 32/3
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Ответ 1)2x^2+2x-4x-4=3x+2
2x^2-5x-6=0
2)2x^2+1/3x-2/3=0
D=1/9+16/3=49/9
x1= 0,5
x2= 32/3