15.9k views
0 votes
Evaluate the following expression using the values given: Find -3a2 - b3 + 3c2 - 2b3 if a = 2, b = -1, and c = 3. Numerical Answers Expected! HELP!!!!

2 Answers

7 votes


sub values of a, b and c into the equation.

(-3x2x2)-(-1x3)+(3x3x2)-(2x3x2)-(2x-1x3)

(-12)-(-3)+(18)-(12)-(-6)

=3

User Casey Benko
by
8.9k points
7 votes
-3(2)2 - (-1)3 + 3(2)2 - 2(-1)3
-12 + 3 +12 +6
-9 +12 + 6
3 + 6
9
so the answer is 9
hope it help


User Tsandy
by
8.5k points

Related questions

2 answers
5 votes
235k views
asked Nov 3, 2017 216k views
Lcapra asked Nov 3, 2017
by Lcapra
8.2k points
1 answer
2 votes
216k views
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories