Factorise the following 12 (a+b)² - (a+b) - 35
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Answer:
(4X-7) (3X-5)
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)
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