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(x^2)/2+6*x-32 = 0
1/2*x^2+6*x-32 = 0
DELTA = 6^2-(-32*1/2*4)
DELTA = 100
DELTA > 0
x = (100^(1/2)-6)/(1/2*2) or x = (-100^(1/2)-6)/(1/2*2)
x = 4 or x = -16
x in { -16, 4 }
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