Question

factorise $3a^{2} - 1 - 2a$

Answer 1

Answer:

(a - 1) (3a + 1) = 0

Step-by-step explanation:

==: 3a² - 2a - 1 = 0

==: 3a² - 3a + a - 1 = 0

==: 3a (a - 1) + 1 (a - 1) = 0

==: (a - 1) (3a + 1) = 0

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