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janbj
@janbj
July 2022
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Помогите пожалуйста:x^4=2x^3+3x^2 срочно нужно
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kmike21
Verified answer
X⁴=2x³+3x²
x⁴-2x³-3x²=0
x²(x²-2x-3)=0
одно решение x=0
x²-2x-3=0
D=2²+4*3=16
√D=4
x₁=(2-4)/2=-1
x₂=(2+4)/2=3
Ответ: x=-1; x=0; x=3
1 votes
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janbj
Спасибо вам большое)))))
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Answers & Comments
Verified answer
X⁴=2x³+3x²x⁴-2x³-3x²=0
x²(x²-2x-3)=0
одно решение x=0
x²-2x-3=0
D=2²+4*3=16
√D=4
x₁=(2-4)/2=-1
x₂=(2+4)/2=3
Ответ: x=-1; x=0; x=3