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Which of the following equations is true?


1. (3 + 4)2 + 23 = 57


2. (3 + 4)2 + 23 = 53

  • math -

    adding in some exponents, we have

    (3+4)^2 + 2^3 = 7^2 + 2^3 = 49+8 = 57

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