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X2 7. X2 7x 10 0 решить уравнение. x2+10=7x. x²-7x+10=0 решение. (x+10)(x-7) <= 0.
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X2 7. X2 7
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X2 7. X2 7x 6 0 решение. 6,7x−x^2 = 0. (x-7)(x+6)<0. x^2-7x+6.
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