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belikova2004
@belikova2004
August 2022
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Решите уравнение: |x-2|+(x+1)²=|x+1|²+3
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Артемчик5565
X²+2x+1=(x+1)² Формула: (a+b)²=(a²+b²+2ab)
x(x+1)²-2(х+1)=0
(x+1)(x(x+1)-2)=0
x+1=0 (x(x+1)-2)=0
x=-1 x²+x-2=0
D=1-4*(-2)=3²
x₁=(-1+3)/2=1
x₂=(-1-3)/2=-2
Ответ 1, -2 , -1
1 votes
Thanks 2
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Answers & Comments
x(x+1)²-2(х+1)=0
(x+1)(x(x+1)-2)=0
x+1=0 (x(x+1)-2)=0
x=-1 x²+x-2=0
D=1-4*(-2)=3²
x₁=(-1+3)/2=1
x₂=(-1-3)/2=-2
Ответ 1, -2 , -1