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meilendurcer

  • 3 years ago

How do you simplify this expression? 9 • (7 –4)2 + 9

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  1. itsmylife
    • 3 years ago
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    (3)^2.(3)^2+3^2 =3^4+3^2

  2. itsmylife
    • 3 years ago
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    3^2(3^2+1)=9(9+1)=90

  3. LBrooklyn99
    • 3 years ago
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    9 • (7 –4)2 + 9 9 • (3)2 + 9 9 • 6 + 9 36 + 9 45 .....................wait, is the 2 an exponent. If so then it is: 9 • (7 –4)2 + 9 9 • (3)2 + 9 9 • 9 + 9 81 +9 90

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