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AzizovaAnna201
@AzizovaAnna201
March 2022
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Найти корни уравнения: помогите со 2-ым
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skvrttt
1 votes
Thanks 0
ZARILAN
2
x
² + 4x³ = 0
вынесем общий множитель за скобки
x(2x+4x²)=0
x1=0
4x²+2x=0
D=16-4×4×0=16=4²
x2=(-2-4)/8= -6/8= -0,75
x3=(-2+4)/8= 2/8 = 0,25
Ответ: x1=0 ; x2= -0,75 ; x3= 0,25
0 votes
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Answers & Comments
вынесем общий множитель за скобки
x(2x+4x²)=0
x1=0
4x²+2x=0
D=16-4×4×0=16=4²
x2=(-2-4)/8= -6/8= -0,75
x3=(-2+4)/8= 2/8 = 0,25
Ответ: x1=0 ; x2= -0,75 ; x3= 0,25