4(3a+7b)^2-6(3a+7b) factorize it plz tomorrow is my math exam
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(3a+7b) [4(3a+7b) - 6]
=(3a+7b) (12a+28b-6)
=2(3a+7b) (6a+14b-3)
=(3a+7b) (12a+28b-6)
=2(3a+7b) (6a+14b-3)
Arman2005:
thanks again sir
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