Jawapan

  • Pengguna Brainly
2016-01-17T12:53:12+08:00
1) 4x^2 + 12x + 8 = 0
     ( x + 1 ) ( x + 2 ) = 0
      x = - 1 , x = - 2

2) - 8 + 2x^2 - 6x = 0
    2x^2 - 6x - 8 = 0
    ( x - 4 ) ( x + 1 ) = 0
     x = 4 , x = - 1
1 5 1