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Evaluate the following expression using the values given:

Find -3a2 - b3 + 3c2 - 2b3 if a = 2, b = -1, and c = 3.

1 Answer

4 votes

Answer:

18

Explanation:

  • -3a²-b³+3c²-2b³
  • -3(2)²-(-1)³+3(3)²-2(-1)³
  • -3(4)-(-1)+3(9)-2(-1)
  • -12+1+27+2
  • -11+27+2
  • 16+2
  • 18
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