vaughnbradley45 vaughnbradley45

14-07-2016
Mathematics

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Evaluate the following expression using the values given:

Find −a2 − 3b3 + c2 + 2b3 − c2 if a = 3, b = 2, and c = −3.

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texaschic101 texaschic101

14-07-2016

-a^2 - 3b^3 + c^2 + 2b^3 - c^2...a = 3, b = 2, c = -3
-3^2 - 3(2^3) + (-3^2) + 2(2^3) - (-3^2)
9 - 3(8) + 9 + 2(8) - 9
9 - 24 + 9 + 16 - 9
-24 + 16 - 9
-33 + 16
- 17

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