(x² - 6x + 9)/(x - 3) - (4x² - 9)/(2x + 3) = (x - 3)²/(x - 3) - (2x - 3)(2x + 3)/(2x + 3) = x - 3 - 2x + 3 = -x
x = 3.77
-x = -3.77
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(x² - 6x + 9)/(x - 3) - (4x² - 9)/(2x + 3) = (x - 3)²/(x - 3) - (2x - 3)(2x + 3)/(2x + 3) = x - 3 - 2x + 3 = -x
x = 3.77
-x = -3.77