3х²-4х-4=0
D=(-4)²-4*3*(-4) =16+48=64
x1= (4+8):6=2
x2=(4-8):6= -2/3
Ответ: -2/3 ; 2
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3х²-4х-4=0
D=(-4)²-4*3*(-4) =16+48=64
x1= (4+8):6=2
x2=(4-8):6= -2/3
Ответ: -2/3 ; 2