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11 December, 22:49

If x = - 3, calculate the value of: 2xsquared + x

+3
Answers (2)
  1. 11 December, 23:03
    0
    2 x - 3² + - 3

    2 x 9 + - 3

    18 - 3

    15
  2. 11 December, 23:08
    0
    Insert the value of x into the equation

    2 (-3^2) + (-3)

    2 (9) - 3

    18-3=15
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