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7 March, 07:47

Which is the value of 3b 2 - b

3b2-b

when b = 5?

+5
Answers (1)
  1. 7 March, 08:11
    0
    I think you mean

    3b^2 - b?

    If so you just put in the 5 for b

    3 * (5) ^2 - 5

    Do the square first

    5^2 = 25

    3 (25) - 5 =

    75 - 5 =

    70.
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