4 (3x+7y)^2-6 (3x+7y)
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4(3x+7y)² - 6(3x+7y)
=> taking 2(3x+7y) common:
2(3x+7y)[2(3x+7y) - 3]
=> 2(3x+7y) [ 6x+14y -3] {answer}
=> taking 2(3x+7y) common:
2(3x+7y)[2(3x+7y) - 3]
=> 2(3x+7y) [ 6x+14y -3] {answer}
sauravkumar13:
hi
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