s3tar9faquatilli
s3tar9faquatilli
01-04-2017
Mathematics
contestada
Solve for z.
z^2+15z+14=0
Respuesta :
Аноним
Аноним
02-04-2017
z = {- 15 +- root of ( 225-56) } / 2
= {-15 +- 13 } / 2
= -14 or -1
so, z = -14 or -1
hope it helped
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