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9 September, 23:25

What is the value of 7x^2 + 3x + 4 when x=2?

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Answers (2)
  1. 10 September, 02:04
    0
    38

    Step-by-step explanation:

    substitute the value of the variable into an equation, then simplify
  2. 10 September, 03:08
    0
    38

    Step-by-step explanation:

    To find the value of 7x^2 + 3x + 4 when x=2. We have to plug in x. So plugging x in, we have

    7 (2) ^2 + 3 (2) + 4

    and this becomes

    7 (4) + 6 + 4

    or

    8 (4) + 6

    which is 38
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