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Найдите множество решений неравенств:

\nа) 3х² + 40х + 10 < –х² + 11х + 3;
\nб) 9х² – х + 9 ≥ 3х² + 18х – 6;
\nв) 2х² + 8х – 111 < (3х – 5)(2х + 5);
\nг) (5х + 1)(3х – 1) > (4х – 1)(х + 2).

"}}]]}],["$","div",null,{"className":"notice","children":["Разбор этого задания готовится. Пока можно ",["$","a",null,{"href":"/reshit","children":"решить его по фото"}]," — ИИ объяснит по шагам."]}]]}]],["$","p",null,{"children":[["$","a",null,{"href":"/gdz/algebra/9-klass/makarychev/nomer-271","children":["← ","Номер 271"]}]," · ",["$","a",null,{"href":"/gdz/algebra/9-klass/makarychev/nomer-273","children":["Номер 273"," →"]}]," · ",["$","a",null,{"href":"/gdz/algebra/9-klass/makarychev","children":"Все номера"}]]}],["$","script",null,{"type":"application/ld+json","dangerouslySetInnerHTML":{"__html":"[{\"@context\":\"https://schema.org\",\"@type\":\"Question\",\"name\":\"Алгебра 9 класс Макарычев, номер 272\",\"text\":\"Найдите множество решений неравенств: а) 3х2 + 40х + 10 < –х2 + 11х + 3; б) 9х2 – х + 9 ≥ 3х2 + 18х – 6; в) 2х2 + 8х – 111 < (3х – 5)(2х + 5); г) (5х + 1)(3х – 1) > (4х – 1)(х + 2).\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Ответ: а) –7 < х < –0,25; б) х ≤ 1,5 или х ≥ 5/3; в) х ∈ ℝ; г) х < (9 – √37)/22 или х > (9 + √37)/22\"}},{\"@context\":\"https://schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Главная\",\"item\":\"https://reshay.ai/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"ГДЗ\",\"item\":\"https://reshay.ai/gdz\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Алгебра 9 класс Макарычев\",\"item\":\"https://reshay.ai/gdz/algebra/9-klass/makarychev\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Номер 272\"}]}]"}}]]

Номер 272 — ГДЗ алгебра 9 класс Макарычев