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  • Selvianti
    started a topic Matematika

    Matematika

    Tentukan hasil perkalian berikut!
    a.(2x-1) (x+1)
    b.(4x+1) (3-2x)

  • Monox D. I-Fly
    replied
    Originally posted by M dzkawan ikram View Post
    Tentukan garis Q(-4,6) m=3/4 tolong jawab
    y - y1 = m(x - x1)
    y - 6 = (3/4)(x - (-4))
    y - 6 = (3/4)(x + 4)
    4(y - 6) = 3(x + 4)
    4y - 24 = 3x + 12
    4y - 3x = 12 + 24
    4y - 3x = 36

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  • M dzkawan ikram
    replied
    Tentukan garis Q(-4,6) m=3/4 tolong jawab

    Leave a comment:


  • akongs09
    replied
    Wah soal begini bisa kalian diskusikan pada teman-teman belajar kalian atau bisa meminta bantuan guru les kalian dengan begitu masalah soal matematika terpecahkan dan bisa kalian jabarkan lagi
    Last edited by akongs09; 10-24-2019, 02:50 AM.

    Leave a comment:


  • FhuwaNii
    replied
    a. (2x-1)(x+1)
    =2x²+2x-x-1
    =2x²+x-1

    b. (4x+1)(3-2x)
    =12x-8x²+3-2x
    = -8x²+12x-2x+3
    = -8x²+10x+3

    Leave a comment:


  • yoeldian
    replied
    a. (2x - 1)(x + 1) = 2x^2 + 2x - x - 1 = 2x^2 + x - 1

    b. (4x + 1)(3 - 2x) = 12x - 8x^× + 3 - 2x = -8x^2 + 10x + 3

    Leave a comment:

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