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22 December, 04:21

Rewrite without parentheses and simplify. (u+3) ^2

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  1. 22 December, 06:45
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    u^2 + 9

    Step-by-step explanation:

    you would have to put the exponent on the u and 3

    so it would by u^2 + 3^2

    but simplified it would be

    u^2 + 9

    we cannot simplify further since we don't know what u equals
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