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m in (-oo:+oo)
10*m-(((2*m)/4)*m)-((1/4)*m)-8-3-3 = 0
(-1/2)*m^2+10*m+(-1/4)*m-8-3-3 = 0
39/4*m-1/2*m^2-14 = 0
DELTA = (39/4)^2-(-14*(-1/2)*4)
DELTA = 1073/16
DELTA > 0
m = ((1073/16)^(1/2)-39/4)/(-1/2*2) or m = (-(1073/16)^(1/2)-39/4)/(-1/2*2)
m = 39/4-(1073/16)^(1/2) or m = (1073/16)^(1/2)+39/4
m in { 39/4-(1073/16)^(1/2), (1073/16)^(1/2)+39/4 }
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