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Имеет ли решение система уравнений {2x-3y=-4 {6x-9y=-12 Смотреть ответ pupsik2206 pupsik2206 Ответ: {x=-2+3/2y {6x-9y=-12 6(-2+3/2y) -9y=-12 -12+9y-9y=-12 0=0 Ответ: (x, y) =(-2+3/2y, y), y€R Объяснение: Утверждение верно для любых значений x и y,которые удовлетворяют обоим уравнениям из системы Новые вопросы в Алгебра упростить выражение ​ помогите пожалуйста обчислить.там если что в начале 3⁶заранее спасибо ​ Здравствуйте друзья ! Помогите пожалуйста с Алгеброй! Решите уравнение (x²+x)²+2(x²+x)-8=0​ Розкладіть квадратний тричлен -х²-5х-4 на множники.​ Предыдущий Следующий Вместе мы знаем больше Этот сайт использует cookies Политика Cookies . Вы можете указать условия хранения и доступ к cookies в своем браузере. 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Answer 1

Давайте рассмотрим ваши новые вопросы.

1. Упростить выражение: Если я правильно понимаю, вы хотите упростить выражение 3⁶ (возведение в шестую степень числа 3). Это даст следующий результат: 3⁶ = 3 * 3 * 3 * 3 * 3 * 3 = 729

2. Решить уравнение (x²+x)²+2(x²+x)-8=0: Для решения данного квадратного уравнения, давайте сначала заменим (x²+x) на t, чтобы упростить выражение: таким образом, уравнение примет вид t² + 2t - 8 = 0.

Теперь решим уравнение для t: (t + 4)(t - 2) = 0.

Теперь вернемся к исходной переменной x: (x² + x + 4)(x² + x - 2) = 0.

Таким образом, у нас два уравнения для x:

1. x² + x + 4 = 0.
2. x² + x - 2 = 0.

Мы можем решить эти уравнения, используя формулу для квадратного уравнения или графически, но обратите внимание, что они могут иметь комплексные корни, так как дискриминант может быть отрицательным.

3. Розкладіть квадратний тричлен -х²-5х-4 на множники: Для розкладання цього квадратного тричлена на множники, спробуємо знайти два числа, сума яких дорівнює -5, а добуток -4.

Для цього розкладемо тричлен на добуток двох біному: -х² - 5х - 4 = (множник) * (множник).

Тепер шукаємо два числа, сума яких дорівнює -5, а добуток -4. Ці числа -9 і 4, тому ми можемо записати: -х² - 5х - 4 = (-х - 9) * (х + 4).

Отже, розкладений вигляд квадратного тричлена -х² - 5х - 4 на множники: (-х - 9) * (х + 4).