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08-06-2017
Mathematics

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solve by factoring 2z^2-21z-36=0

Respuesta :

08-06-2017

2z^2 - 21z - 36 = 0
(x - 12)(2x + 3)=0
Set each factor equal to zero and solve.
x -12 = 0 2x -3= 0
x = 12 2x = 3
x = 3/2

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