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Упростите выражение

\na² − 4ac + 3bc/a² − ab + bc − ac + a + 3b/b − a + a + 2c/a − c\n\n\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/8-klass/makarychev/nomer-130","children":["← ","Номер 130"]}]," · ",["$","a",null,{"href":"/gdz/algebra/8-klass/makarychev/nomer-132","children":["Номер 132"," →"]}]," · ",["$","a",null,{"href":"/gdz/algebra/8-klass/makarychev","children":"Все номера"}]]}],["$","script",null,{"type":"application/ld+json","dangerouslySetInnerHTML":{"__html":"[{\"@context\":\"https://schema.org\",\"@type\":\"Question\",\"name\":\"Алгебра 8 класс Макарычев, номер 131\",\"text\":\"Упростите выражение a² − 4ac + 3bc/a² − ab + bc − ac + a + 3b/b − a + a + 2c/a − c\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Ответ: (a + 3c)/(a − b) или a + 3c разделить на (a − b)\"}},{\"@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 8 класс Макарычев\",\"item\":\"https://reshay.ai/gdz/algebra/8-klass/makarychev\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Номер 131\"}]}]"}}]]

Номер 131 — ГДЗ алгебра 8 класс Макарычев