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(225*3):8=(64-x^2)*(x^2-4) la ecuación

El profesor se sorprenderá mucho al ver tu solución correcta😉

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Solución numérica:

Buscar la solución numérica en el intervalo [, ]

Solución

Ha introducido [src]
         /      2\ / 2    \
84.375 = \64 - x /*\x  - 4/
$$84.375 = \left(64 - x^{2}\right) \left(x^{2} - 4\right)$$
Gráfica
Respuesta rápida [src]
x1 = -7.90943418627336
$$x_{1} = -7.90943418627336$$
x2 = -2.33256315091582
$$x_{2} = -2.33256315091582$$
x3 = 2.33256315091582
$$x_{3} = 2.33256315091582$$
x4 = 7.90943418627336
$$x_{4} = 7.90943418627336$$
x4 = 7.90943418627336
Suma y producto de raíces [src]
suma
-7.90943418627336 - 2.33256315091582 + 2.33256315091582 + 7.90943418627336
$$\left(\left(-7.90943418627336 - 2.33256315091582\right) + 2.33256315091582\right) + 7.90943418627336$$
=
0
$$0$$
producto
-7.90943418627336*-2.33256315091582*2.33256315091582*7.90943418627336
$$7.90943418627336 \cdot 2.33256315091582 \left(- \left(-2.33256315091582\right) 7.90943418627336\right)$$
=
340.375000000000
$$340.375$$
340.375000000000
Respuesta numérica [src]
x1 = 7.90943418627336
x2 = -7.90943418627336
x3 = -2.33256315091582
x4 = 2.33256315091582
x4 = 2.33256315091582