SOLUTION: Evaluate the following expression using the values given: Find −3a2 − b3 + 3c2 − 2b3 if a = 2, b = −1, and c = 3

Algebra ->  Test -> SOLUTION: Evaluate the following expression using the values given: Find −3a2 − b3 + 3c2 − 2b3 if a = 2, b = −1, and c = 3      Log On


   



Question 1046061: Evaluate the following expression using the values given:
Find −3a2 − b3 + 3c2 − 2b3 if a = 2, b = −1, and c = 3

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
−3a2 − b3 + 3c2 − 2b3 if a = 2, b = −1, and c = 3
-3(4)-(-1)^3+3(9)-2(-1)^3=
-12+1+27+2=18
(-1)^3 is -1, and if there is a minus sign before it, the term will be positive.