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bbald
@bbald
June 2022
1
9
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Помогите решить уравнение с Дискриминантом -x-(77/x+5)=-13
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m11m
-x -
77
= -13
x+5
ОДЗ: х≠ -5
-x(x+5)-77= -13(x+5)
-x²-5x-77=-13x-65
-x² -5x+13x-77+65=0
-x² +8x-12=0
x² -8x+12=0
D=64-48=16
x₁=
8-4
= 2
2
x₂=
8+4
= 6
2
Ответ: 2; 6
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Answers & Comments
x+5
ОДЗ: х≠ -5
-x(x+5)-77= -13(x+5)
-x²-5x-77=-13x-65
-x² -5x+13x-77+65=0
-x² +8x-12=0
x² -8x+12=0
D=64-48=16
x₁= 8-4 = 2
2
x₂= 8+4 = 6
2
Ответ: 2; 6