Matematika

Pertanyaan

3(-2x+1)dari(4x+5) tolong jawabya

1 Jawaban

  • = 3(-2x+1) . (4x +5)
    = (-6x+3) . (4x +5)
    = (-6x . 4x) + (-6x . 5) + (3 . 4x) + (3 . 5)
    = (--24x^2) + (-30x) + (12x) + (15)
    = - 24x^2 - 18x + 15

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