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ewsdasd
@ewsdasd
July 2022
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Сократите дробь 7х2+11х-6/9-49х2
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Разложим дробь из числителя:
7х² + 11х - 6 = 0
D = 11² - 4 * 7 * (-6) = 289
х₁ =
= 3/7
х₂ =
= - 2
7х² + 11х - 6 = 7 (x - 3/7)(x - 2) = (7x - 3)(x - 2) = - (3 - 7x)(x - 2)
Ответ:
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Answers & Comments
7х² + 11х - 6 = 0
D = 11² - 4 * 7 * (-6) = 289
х₁ = = 3/7
х₂ = = - 2
7х² + 11х - 6 = 7 (x - 3/7)(x - 2) = (7x - 3)(x - 2) = - (3 - 7x)(x - 2)
Ответ: