Matematika

Pertanyaan

tolong ya nomer 21 paakai cara
pilihan nomer 21
A.5
B.4
c.-3
d.-4
e.-5
tolong ya nomer 21 paakai cara pilihan nomer 21 A.5 B.4 c.-3 d.-4 e.-5

2 Jawaban

  • 3x^2 - 6x + 2p = 0
    a = 3, b = -6, c = 2p
    D = 132
    b^2 - 4ac = 132
    (-6)^2 - 4(3)(2p) = 132
    36 - 24p = 132
    -24p = 132 - 36
    -24p = 96
    p = -4
  • 3x² - 6x + 2p = 0

    Diket : a => 3 ; b => -6 ; c => 2p ; d => 132

    b² - 4 a×c = 132
    (-6)² - 4 (3) × (2p) = 132
    36 - 12 × 2p = 132
    36 - 24p = 132
    36 - 132 = 24 p
    (-96) = 24 p
    -4 = p