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31 January, 08:53

What is the value of the expression below when b = 4 and c=5?

8b2 - 6c + 9

A 48

B79

107

D 888

+1
Answers (1)
  1. 31 January, 12:24
    0
    107

    Step-by-step explanation:

    8b^2 - 6c + 9

    Let b=4 and c=5

    8 * (4) ^2 - 6 (5) + 9

    Exponents first

    8 * 16 - 30 + 9

    Then multiply

    128 - 30+9

    Then add and subtract

    107
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