решите уравнение x^2-5x-36≥0. Created by altynai0504. matematika-ru

решите уравнение x^2-5x-36≥0...

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решите уравнение x^2-5x-36≥0

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$x^2-5x-36\geq 0\\\\D=25+4\cdot 36=169\; \; ,\; \; x_1=9\; \; ,\; \; x_2=-4\\\\(x-9)(x+4)\geq 0\; \; \; \; \; +++[-4\, ]---[\, 9\, ]+++\\\\x\in (-\infty ,-4\, ]\cup [\, 9,+\infty )$

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prosklonyajte poryadkovoe chislitelnoe 356

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it will a tomorrow is my day off and i think go to the zoo tomorrow a

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Complete the sentence with am, is, are, do or does. 1. I ___ a student. 2. ____ ...

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