1) -x-6x-73=0
a=-1 b=6 c=-73
D=b²-4ac=6²-4*(-1) *(-73) =36-292=-256
√D=-√256=-16
x1=(-b+√D)/2a=(-6+(-16))/-2=-24/-2=12
x2=(-b-√D)/2a=(-6-(-16))/-2=10/-2=-5
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1) -x-6x-73=0
a=-1 b=6 c=-73
D=b²-4ac=6²-4*(-1) *(-73) =36-292=-256
√D=-√256=-16
x1=(-b+√D)/2a=(-6+(-16))/-2=-24/-2=12
x2=(-b-√D)/2a=(-6-(-16))/-2=10/-2=-5