Matematika

Pertanyaan

(2x-1)²=7²bagaimnana cara pemfaktorannya

2 Jawaban

  • 4x^2 - 4x + 1 = 49
    4x^2 - 4x + 1 - 49 = 0
    4x^2 - 4x - 48 = 0
    (4x - 16)(x + 3) = 0
    4x - 16 = 0 atau x + 3 = 0
    4x = 16 atau x = -3
    x = 16/4
    x = 4


    HPnya adalah {-3 , 4}
  • 4x^2 - 4x + 1 = 49
    4x^2 - 4x + 1 - 49 = 0
    4x^2 - 4x - 48 = 0
    (4x - 16)(x + 3) = 0
    4x - 16 = 0 V x + 3 = 0
    4x = 16 V x = -3
    x = 16/4
    x = 4

Pertanyaan Lainnya