Question

factorise 3-12(a-b)whole square

Answer 1

$3 - 12 {(a - b)}^{2} \\ \\ = 3(1 - {4(a - b)}^{2} ) \\ \\ = 3( {1}^{2} - {(2(a - b))}^{2} ) \\ \\ = 3(1 - 2(a - b))(1 + 2(a - b)) \\ \\ = 3(1 - 2a + 2b)(1 + 2a - 2b)$

Answer 2

Answer:

Hand written perfect solution .

Step-by-step explanation:

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