factories it guys☺☺☺☺
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put a+b as X (say)
now , we have
3 - 5X - 12X^2
which can be easily factorize into (4X + 3)(1 - 3X)
substitute X by a+b
now , we have
3 - 5X - 12X^2
which can be easily factorize into (4X + 3)(1 - 3X)
substitute X by a+b
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