Question

Factorise- 16(a- b)² -4a -4b

Answer 1

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$<b>Here is your answer :-$

16 ( a - b )² - 4a - 4b

= 16 ( a - b )² - 4 ( a + b )

= 4 [ 4 ( a - b )² - ( a + b ) ]

= 4 [ 4 ( a² - 2ab + b² ) - a - b ]

= 4 [ 4a² - 8ab + 4b² - a - b ]

= 4 [ 4 ( a² + b² ) - ( a + b ) - 8ab ]


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