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2x² - 9x - 5
= (2x² + x) + (- 10x - 5)
= x(2x + 1) - 5(2x + 1)
= (2x + 1) (x - 5)
Jadi, jawabannya adalah (2x + 1) (x - 5)
1 -5
(2x + 1)(x - 5)