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nikolaysorokin4
@nikolaysorokin4
July 2022
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Помогите, срочно
Решите уравнение:
1)(x+3)(x-3)-x(x+4)=0
2)3x(1+12x)-(6x-1)(6x+1)=2,5x
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Answers & Comments
Orbit1White
1)x^2-9-x^2-4x=0
-4x=9
x=9/(-4)
x=-2,25
2)3x+36x^2-(36x^2-1)=2,5x
3x+36^2-36^2+1=2,5x
3x-2,5x=-1
0,5x=-1
x=-1/0,5
x=-2
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nikolaysorokin4
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Answers & Comments
-4x=9
x=9/(-4)
x=-2,25
2)3x+36x^2-(36x^2-1)=2,5x
3x+36^2-36^2+1=2,5x
3x-2,5x=-1
0,5x=-1
x=-1/0,5
x=-2