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5 June, 20:33

What is 3 (5x^2-9x) when x = - 3

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Answers (2)
  1. 5 June, 20:35
    0
    the answer will be 216
  2. 5 June, 20:54
    0
    15x^2+88x but I'm not sure if you need to simplify
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