soltmanc55 soltmanc55
  • 07-08-2017
  • Mathematics
contestada

Solve 2a 2 - 3a - 2 = 0

{-1/2, 2}
{1/2, -2}
{}

Respuesta :

kphung76127
kphung76127 kphung76127
  • 07-08-2017
Apply slip and slide
a^2-3a-4
(a-4)(a+1)
(a-2)(2a+1)

Find zeros
a-2=0
a=2

2a+1=0
2a=-1
a=-1/2

Final answer: {-1/2, 2}
Answer Link
gwa2
gwa2 gwa2
  • 07-08-2017
The answer is {-1/2, 2}
Answer Link

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