Respuesta :

Answer:

a)  a=8,  b=3,  c=-4

b) (-3 + [tex]\sqrt{137}[/tex])/16, (-3 - [tex]\sqrt{137}[/tex])/16)

c) roots in decimal form are 0.54 and -0.92

Step-by-step explanation:

a) 8n² + 3n - 4

b) (-3±[tex]\sqrt{9+128}[/tex]) ÷ 16