5:[["$","div",null,{"className":"crumbs","children":[["$","span",null,{"children":["$","a",null,{"href":"/","children":"Главная"}]}],["$","span",null,{"children":["$","a",null,{"href":"/gdz","children":"ГДЗ"}]}],["$","span",null,{"children":["$","a",null,{"href":"/gdz/algebra/7-klass/merzlyak","children":["Алгебра"," ",7," класс ","Мерзляк"]}]}],["$","span",null,{"children":["Номер ","548"]}]]}],["$","h1",null,{"children":["Номер 548"," — ГДЗ ","алгебра"," ",7," класс ","Мерзляк"]}],[["$","section","9611",{"children":[false,["$","div",null,{"className":"sheet-card statement","children":[["$","p",null,{"children":["$","b",null,{"children":["№ 548","."]}]}],["$","div",null,{"dangerouslySetInnerHTML":{"__html":"

Решите уравнение:

\n1) (3x − 5)² − 49 = 0;\n2) (4x + 7)² − 9x² = 0;\n3) (a − 1)² − (2a + 9)² = 0;\n4) 25 (3b + 1)² − 16(2b − 1)² = 0.\n

"}}]]}],["$","div",null,{"className":"notice","children":["Разбор этого задания готовится. Пока можно ",["$","a",null,{"href":"/reshit","children":"решить его по фото"}]," — ИИ объяснит по шагам."]}]]}]],["$","p",null,{"children":[["$","a",null,{"href":"/gdz/algebra/7-klass/merzlyak/nomer-547","children":["← ","Номер 547"]}]," · ",["$","a",null,{"href":"/gdz/algebra/7-klass/merzlyak/nomer-549","children":["Номер 549"," →"]}]," · ",["$","a",null,{"href":"/gdz/algebra/7-klass/merzlyak","children":"Все номера"}]]}],["$","script",null,{"type":"application/ld+json","dangerouslySetInnerHTML":{"__html":"[{\"@context\":\"https://schema.org\",\"@type\":\"Question\",\"name\":\"Алгебра 7 класс Мерзляк, номер 548\",\"text\":\"Решите уравнение: 1) (3x − 5)2 − 49 = 0; 2) (4x + 7)2 − 9x2 = 0; 3) (a − 1)2 − (2a + 9)2 = 0; 4) 25 (3b + 1)2 − 16(2b − 1)2 = 0.\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Ответ: 1) x = 4 или x = −2/3; 2) x = −7 или x = −1; 3) a = −10 или a = −8/3; 4) b = −9/7 или b = −1/23\"}},{\"@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 7 класс Мерзляк\",\"item\":\"https://reshay.ai/gdz/algebra/7-klass/merzlyak\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Номер 548\"}]}]"}}]]

Номер 548 — ГДЗ алгебра 7 класс Мерзляк