Matematika

Pertanyaan

1.a²+6a+8,2.a²-9a+18,3.x²+4x+3,4.x²-9x+8,5.y²+8y+16.kalo jawab satu-satu tidak apa2

2 Jawaban

  • 1. (a+4) (a+2)
    a= -4 / a= -2
    2. (a-6) (a-3)
    a= 6 / a=3
    3. (x+3) (x+1)
    x= -3 / x=-1
    4. (x-8) (x-1)
    x= 8 / x=1
    5. (x+4) (x+4)
    x= -4 / x=-4
  • 1. a² + 6a + 8
    = (a + 2) (a + 4)
    = a = -2 / a = -4

    2. a² - 9a + 18
    = (a - 3) (a - 6)
    = a = 3 / a = 6

    3. x² + 4x + 3
    = (x + 1) (x + 3)
    = x = -1 / x = -3

    4. x² - 9x + 8
    = (x - 1) (x - 8)
    = x = 1 / x = 8

    5. y² + 8y + 16
    = (y + 4) (y + 4)
    = y = -4

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