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10 September, 02:37

Let x = 6.

What is the value of the expression

5 x^2 + x - 7?

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Answers (1)
  1. 10 September, 04:01
    0
    If x=6 you will substitute 6 where you see an x.

    5 (6) ^2+6-7

    Now simplify the equation.

    5 x 36 - 1

    5 x 36 = 180 and 180 - 1 = 179

    Your answer is 179!
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