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Carlos was given the problem "Evaluate the expression 2x^2 + 5 when x=3." Carlos wrote the answer 41. Was he correct? Explain.

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answer: no he was not correct. the answer is 23.

explanation: when you insert 3 into the problem hince, 2(3)^2 + 5. you will get 2x9+5. 18+5=23

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