Respuesta :

Answer:

1. [tex]27x^{2} -78x+16[/tex]

2. not completely sure but i think its [tex]x= -2 + 3i[/tex]

3.x = 2 i √ 5 , − 2 i √ 5

4.x = − 9 ± √ 73 /2

5. Im not sure...

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