htrang07
htrang07
22-07-2021
Mathematics
contestada
[tex]x^4+2x^3-2x^2+2x-3=0\\[/tex]
Respuesta :
vananh1562000
vananh1562000
22-07-2021
Answer:
x=1
x=-3
Step-by-step explanation:
(x-1)(x^3 + 3x^2 +x +3) = 0
(x-1)( x+3)(x^2 +1)=0
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