kkent61 kkent61

04-04-2018
Mathematics

contestada

what are the solutions of the equation Z ^ 2 - 6z - 27 equals 0

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kiaratatiana7p6mdlk kiaratatiana7p6mdlk

04-04-2018

Z^2 - 6z - 27 = 0 you need to factor out firts then solve for z
(z+3 )(z-9) = 0
z+ 3 = 0
z = -3

z-9= 0
z = 9

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