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(2x² + 9x² - 6x - 5) ÷ (x - 1)
2x²(x - 1) + 11x² - 6x - 5
2x²(x - 1) + 11x(x - 1) + 5x - 5
2x²(x - 1) + 11x(x - 1) + 5(x - 1)
(2x² + 11x + 5)(x - 1)
(2x + 1)(x + 5)(x - 1)
akar2nya
2x + 1 = 0
2x = -1
x = -1/2
x + 5 = 0
x = -5
x - 1 = 0
x = 1