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8*x^7+5*x+9=0 la ecuación

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Solución numérica:

Buscar la solución numérica en el intervalo [, ]

Solución

Ha introducido [src]
   7              
8*x  + 5*x + 9 = 0
$$\left(8 x^{7} + 5 x\right) + 9 = 0$$
Gráfica
Suma y producto de raíces [src]
suma
-0.918381191192108 + -0.666749835717962 - 0.711059312067538*I + -0.666749835717962 + 0.711059312067538*I + 0.964148351824567 - 0.494738102535511*I + 0.964148351824567 + 0.494738102535511*I + 0.16179207948945 - 1.03520767748834*I + 0.16179207948945 + 1.03520767748834*I
$$\left(\left(0.16179207948945 - 1.03520767748834 i\right) + \left(\left(\left(0.964148351824567 - 0.494738102535511 i\right) + \left(\left(-0.918381191192108 + \left(-0.666749835717962 - 0.711059312067538 i\right)\right) + \left(-0.666749835717962 + 0.711059312067538 i\right)\right)\right) + \left(0.964148351824567 + 0.494738102535511 i\right)\right)\right) + \left(0.16179207948945 + 1.03520767748834 i\right)$$
=
-1.11022302462516e-16
$$-1.11022302462516 \cdot 10^{-16}$$
producto
-0.918381191192108*(-0.666749835717962 - 0.711059312067538*I)*(-0.666749835717962 + 0.711059312067538*I)*(0.964148351824567 - 0.494738102535511*I)*(0.964148351824567 + 0.494738102535511*I)*(0.16179207948945 - 1.03520767748834*I)*(0.16179207948945 + 1.03520767748834*I)
$$- 0.918381191192108 \left(-0.666749835717962 - 0.711059312067538 i\right) \left(-0.666749835717962 + 0.711059312067538 i\right) \left(0.964148351824567 - 0.494738102535511 i\right) \left(0.964148351824567 + 0.494738102535511 i\right) \left(0.16179207948945 - 1.03520767748834 i\right) \left(0.16179207948945 + 1.03520767748834 i\right)$$
=
-1.125 - 8.32667268468867e-17*I
$$-1.125 - 8.32667268468867 \cdot 10^{-17} i$$
-1.125 - 8.32667268468867e-17*i
Respuesta rápida [src]
x1 = -0.918381191192108
$$x_{1} = -0.918381191192108$$
x2 = -0.666749835717962 - 0.711059312067538*I
$$x_{2} = -0.666749835717962 - 0.711059312067538 i$$
x3 = -0.666749835717962 + 0.711059312067538*I
$$x_{3} = -0.666749835717962 + 0.711059312067538 i$$
x4 = 0.964148351824567 - 0.494738102535511*I
$$x_{4} = 0.964148351824567 - 0.494738102535511 i$$
x5 = 0.964148351824567 + 0.494738102535511*I
$$x_{5} = 0.964148351824567 + 0.494738102535511 i$$
x6 = 0.16179207948945 - 1.03520767748834*I
$$x_{6} = 0.16179207948945 - 1.03520767748834 i$$
x7 = 0.16179207948945 + 1.03520767748834*I
$$x_{7} = 0.16179207948945 + 1.03520767748834 i$$
x7 = 0.16179207948945 + 1.03520767748834*i
Respuesta numérica [src]
x1 = 0.16179207948945 + 1.03520767748834*i
x2 = 0.16179207948945 - 1.03520767748834*i
x3 = 0.964148351824567 - 0.494738102535511*i
x4 = -0.918381191192108
x5 = -0.666749835717962 - 0.711059312067538*i
x6 = -0.666749835717962 + 0.711059312067538*i
x7 = 0.964148351824567 + 0.494738102535511*i
x7 = 0.964148351824567 + 0.494738102535511*i