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48*x^2-(64*x)-((35/4)*x)+7 = 0
48*x^2-64*x+(-35/4)*x+7 = 0
48*x^2-291/4*x+7 = 0
DELTA = (-291/4)^2-(4*7*48)
DELTA = 63177/16
DELTA > 0
x = ((63177/16)^(1/2)+291/4)/(2*48) or x = (291/4-(63177/16)^(1/2))/(2*48)
x = ((63177/16)^(1/2)+291/4)/96 or x = (291/4-(63177/16)^(1/2))/96
x in { (291/4-(63177/16)^(1/2))/96, ((63177/16)^(1/2)+291/4)/96 }
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