Question

factorise3a square-1-2a​

Answer 1

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Here's ur answer

3a²-1a-2

= 3a² - a - 2

= 3a² - 3a + 2a - 2

= 3a(a-1) + 2(a-1)

= (3a+2)(a-1)

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Answer 2

Answer:

step 1

3a square-3a+1a-1

step 2

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

step 3

(3a+1)(a-1)