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(x-2)(x-5)*x+1>_0 desigualdades

En la desigualdad la incógnita

Solución

Ha introducido [src]
(x - 2)*(x - 5)*x + 1 >= 0
$$x \left(x - 5\right) \left(x - 2\right) + 1 \geq 0$$
x*((x - 5)*(x - 2)) + 1 >= 0
Solución de la desigualdad en el gráfico
Respuesta rápida [src]
  /   /            / 3      2              \         / 3      2              \     \     /       / 3      2              \             \\
Or\And\x <= CRootOf\x  - 7*x  + 10*x + 1, 1/, CRootOf\x  - 7*x  + 10*x + 1, 0/ <= x/, And\CRootOf\x  - 7*x  + 10*x + 1, 2/ <= x, x < oo//
$$\left(x \leq \operatorname{CRootOf} {\left(x^{3} - 7 x^{2} + 10 x + 1, 1\right)} \wedge \operatorname{CRootOf} {\left(x^{3} - 7 x^{2} + 10 x + 1, 0\right)} \leq x\right) \vee \left(\operatorname{CRootOf} {\left(x^{3} - 7 x^{2} + 10 x + 1, 2\right)} \leq x \wedge x < \infty\right)$$
((x < oo)∧(CRootOf(x^3 - 7*x^2 + 10*x + 1, 2) <= x))∨((x <= CRootOf(x^3 - 7*x^2 + 10*x + 1, 1))∧(CRootOf(x^3 - 7*x^2 + 10*x + 1, 0) <= x))
Respuesta rápida 2 [src]
        / 3      2              \         / 3      2              \            / 3      2              \     
[CRootOf\x  - 7*x  + 10*x + 1, 0/, CRootOf\x  - 7*x  + 10*x + 1, 1/] U [CRootOf\x  - 7*x  + 10*x + 1, 2/, oo)
$$x\ in\ \left[\operatorname{CRootOf} {\left(x^{3} - 7 x^{2} + 10 x + 1, 0\right)}, \operatorname{CRootOf} {\left(x^{3} - 7 x^{2} + 10 x + 1, 1\right)}\right] \cup \left[\operatorname{CRootOf} {\left(x^{3} - 7 x^{2} + 10 x + 1, 2\right)}, \infty\right)$$
x in Union(Interval(CRootOf(x^3 - 7*x^2 + 10*x + 1, 0), CRootOf(x^3 - 7*x^2 + 10*x + 1, 1)), Interval(CRootOf(x^3 - 7*x^2 + 10*x + 1, 2), oo))