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JoJo777 JoJo777
  • 17-06-2016
  • Mathematics
Answered

Evaluate the following expression using the values given:


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

Verified Answer :

jimmyjohn
jimmyjohn jimmyjohn
  • 17-06-2016

I got 12.
The two c2's cancel each other out.
-3b3+2b3 = -b3.
-a2 remains the same.
Therefore, we get -2a-3b.
That would be -2(3)-3(2)=-6-6 = -12.
Hope this helps!

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