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why is (-3)^2=9 and not -9 like -3^2

 Sep 5, 2016
edited by Guest  Sep 5, 2016
 #1
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Brackets take priority over exponents so (-3)^2 → (-3)*(-3) → 9

 

Exponents take priority over negation so -3^2 → -(3^2) → -9

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 Sep 5, 2016
 #2
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ohh i see thank you

 Sep 5, 2016

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