Question

Решите систему неравенства x²-9x+30>0
X²-100<0 ​

Answer 1

Ответ:

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Answer 2

Ответ:

$\left\{\begin{array}{l}x^2-9x+30>0\\x^2-100\leq 0\end{array}\right\ \ \left\{\begin{array}{l}x\in R\\(x-10)(x+10)\leq 0\end{array}\right\ \ \left\{\begin{array}{l}x\in R\\x\in [-10\, ;\, 10\ ]\end{array}\right\\\\\\Otvet:\ \ x\in [-10\, ;\, 10 ]\ .$