Question

9. Factorise: 3-12(a-b)2​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

3 - 12(a-b)²

=>3( 1 - 4( a-b)² )

3 [ ( 1 + 2(a-b)) ( 1 - (2(a-b)) ]

3 [ (1 + 2a - 2b) (1-(2a-2b))]

3 [ (1 + 2a - 2b) (1-2a+2b)]

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