Question

3a²-1-2a factorise ​

Answer 1

Answer:

-1/3 or 1

Step-by-step explanation:

Given

3a²-1-2a

3a^2-2a-1

3a^2-3a+a-1

3a(a-1)+1(a-1)

a=-1/3 or 1

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Answer 2

Answer:

there is a mistake in the question

Step-by-step explanation: