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anaykoksyushka
@anaykoksyushka
June 2022
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сколько будет Х квадрат - 2Х =3
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007gaglik
X^2-2x=3
x^2-2x-3=0
D=(-2)^2-4×1×(-3)=4+12=16
x1=2+4/2×1=6/2=3
x2=2-4/2×1=-2/2=-1
1 votes
Thanks 0
Magdalina11
X(x-2)=3
x=3
x-2=3 x=5
0 votes
Thanks 0
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Answers & Comments
x^2-2x-3=0
D=(-2)^2-4×1×(-3)=4+12=16
x1=2+4/2×1=6/2=3
x2=2-4/2×1=-2/2=-1
x=3
x-2=3 x=5