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04-02-2021
Mathematics

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Evaluate the expression when c= -5.
c^2+ 6c-9

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Аноним Аноним

04-02-2021

Answer:

-64

Explanation:

c² + 6c - 9

Insert -5 For 'c'

-5² + 6(-5) - 9

Follow P.E.M.D.A.S.

5² = 25

= -25 + 6(-5) - 9

Multiply: 6(-5) = -30

= -25 - 30 - 9

Simplify

-64

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