Matematika

Pertanyaan

-4p+6q-5r dari 8p-15q-10r

2 Jawaban

  • 8p-15q-10r  - (-4p+6q-5r) = 8p-15q-10r +4p - 6q + 5r
                                             = 8p + 4p - 15q - 6q - 10r + 5r
                                             = 12p - 21q - 5r
  • 8p-15q-10-4p+6q-5r
    =8p-4p-15q+6q-5r-10
    =4p-21q-5r-10

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