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9x² - 6xy + y² + 9x² + 6xy + y² - 2y² < 2(9x² - 6x + 1) - 14
18x² < 18x² - 12x + 2 - 14
12x < - 12
x < - 12/12
x < - 1
x = - 2
ESO ES TODO, SALUDOS...............