How much is 3a²- 5ab + 7b² + 3 greater than 2a² + 2ab + 5 ?
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3a²-5ab+7b²+3 - ( 2a²+2ab+5b) = 3a²-5ab+7b²+3- 2a²-2ab-5b= a² -7ab +7b²-5b+3 More
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