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maka pers pada soal menjadi
p²-3p+2 = 0, faktorkan
(p - 2 )(p - 1) = 0
p-2 = 0 dan p-1 =0
p = 2 p = 1
subtitusikan kembali nilai p kedalam x
p = ⁵Log x dan p = ⁵Log x
2 = ⁵Log x 1 = ⁵Log x
⁵Log 5² = ⁵Log x ⁵Log 5 = ⁵Log x
5² = x 5 = x
x₁ = 25 x₂ = 5
x₁ > x₂
sehingga x₁ - 2x₂ = 25 - 2(5) = 25-10 = 15
silahkan di check2 kembali prosesnya.
semoga sukses