Matematika

Pertanyaan

(2x+3y) (x-4y) pakai caranya

2 Jawaban

  • 2x^2 - 8xy + 3xy - 12y^2
    2x^2 - 5xy - 12 y^2
  • (2x+3y)(x-4y) = 2x*x + 2x*-4y + 3y*x + 3y*4y
                        = 2[tex] x^{2} [/tex] - 8xy + 3xy + 12[tex] y^{2} [/tex]
                        = 2[tex] x^{2} [/tex] - 5xy + 12[tex] y^{2} [/tex]

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