Factorise:- 12a(a+b)² - (a+b) - 35
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Step-by-step explanation:
Take (a+b) as x
Therefore
12X²-X²-35
12X²+20X-21X-35
4X(3X+5) -7X(3X+5)
(3X+5)(4X-7X)
Hence, your answer is (3x+5) (4x-7x)
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