Tolong di jawab ya kak pleaseee di kumpul besok soal nya

^ tanda pangkat
9^(2x²-6x+1) = 27^(2x-4)
3^2(2x²-6x+1) = 3^3(2x-4)
2(2x² - 6x + 1) = 3(2x - 4)
4x² - 12x + 2 = 6x - 12
4x² - 12x - 6x + 2 + 12 = 0
4x² - 18x + 14 = 0
x1 + x2 = -b/a = -(-18)/4 = 9/2 = 4½