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m in (-oo:+oo)
8*m+(3*m^1)/2-(1/2) = 0
8*m+(3*m)/2-1/2 = 0
19/2*m-1/2 = 0 // + 1/2
19/2*m = 1/2 // : 19/2
m = 1/2/19/2
m = 1/19
m = 1/19
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