SOLUTION: what is 3a second power +7-2a, for a = 4
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Question 222090: what is 3a second power +7-2a, for a = 4
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
3a^2+7-2a
(3*4)^2+7-2*4
144+7-8=143
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