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    4. 9^2-3(-5)^2+2(9)(-5)
    9^2-3(-5)^2+2(9)(-5)

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    +1  Views: 863 Answers: 2 Posted: 13 years ago
    Tags: polynomials
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      2 Answers

      9^2-3(-5)^2+2(9)(-5)
      81 - 3(25) + 2(-45)
      81 - 75 -90
      81 - 165
      -84


      I think this is right.  ^ means "to the power"???

      13 years ago. Rating: 2
      Comment this answer

        (9^2) - (3 * ((-5)^2)) + (2 * 9 * (-5)) = -84


        Source: http://www.bing.com/search?setmkt=en-US&q=9%5E2-3(-5)%5E2%2B2(9)(-5) 



        13 years ago. Rating: 1
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