jmoney21
jmoney21 jmoney21
  • 20-03-2017
  • Mathematics
contestada

Solve z2 – 2z – 35 = 0 using the zero product property.

A. z = 7, –5
B. z = –3, 5
C. z –7, –5
D. z = –1, –3

Respuesta :

texaschic101
texaschic101 texaschic101
  • 20-03-2017
z^2 - 2z - 35 = 0
(z - 7)(z + 5) = 0

z - 7 = 0
z = 7

z + 5 = 0
z = -5

solution is : z = 7,-5


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