Matematika

Pertanyaan

jika 2x3 (2x+1) + 3(2x+3)=297 nilai x = yg didalam kurung tu pangkat.... tolong bantu

1 Jawaban

  • 2*3^2x+1 + 3^2x+3 = 297

    (2+3^2) * 3^2x+1 = 297

    (2+9) * 3^2x+1 = 297

    (11) * 3^2x+1 = 297

    3^2x+1 = 27

    3^2x+1 = 3^3

    2x+1 = 3

    2x = 2

    x = 1

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