Se x1 e x2 são raízes da equação 3x²-2x-8=0, sendo x1<x2, entao 3x2²- 2x1-8 éi gual a?

Consegi chegar a 20/3 mas nao eh a respostas =/

a) 2/3

b)8/3

c)16/3

d)20/3

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