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2 January, 20:09

5x^2 - x + 9=?

x=3

needs to be simplified

+2
Answers (2)
  1. 2 January, 20:58
    0
    5 (3) ²-3+9=?

    15²-12=?

    225-12=213
  2. 3 January, 00:01
    0
    51

    I used a calculator
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