Решите неравенство (3x-7)^2 >= (7x-3)^2 38 вариантов математика ОГЭ 2019 Высоцкий Ященко Вариант 17 Задача 21 № задачи в базе 1487. Решите неравенство (3x-7)^2>=(7x-3)^2. Ответ: [-1; 1]
(3 * x - 7)^2 - (7 * x - 3)^2 ≥ 0; Сначала в неравенстве раскроем скобки. Значение перед скобкой умножаем на значения и переменные в скобках, и между ними ставим нужный …
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Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(3x-7\right)^{2}.
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Examples. \left. \begin {cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end {cases} \right. Solve your math problems using our free math solver with step-by-step solutions. Our math solver supports …
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3x^{2}-7x+2=3\left(x-2\right)\times \frac{3x-1}{3} Subtract \frac{1}{3} from x by finding a common denominator and subtracting the numerators. Then reduce the fraction to lowest terms if possible.
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