Evaluate the expression 5+2n^2 when n=3

41.

Step-by-step explanation:

With n being 3, 3 would multiply by 2 (and become 6), and since it's going to be squared, your new equation will be "5+6^2". 6 squared is 36, and 5 being added to 36 results in 41. Therefore, your answer is 41.

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step-by-step explanation:

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