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3 votes
When x=-3 plzzzz help me quick

When x=-3 plzzzz help me quick-example-1

2 Answers

4 votes

Answer:

21

Explanation:

1. Evaluate = 2 * 3 ^ 2 + 3 = 2 * 9 + 3

2. Multiply = 2 * 9 = 18

3. Add 3 = 18 + 3 = 21

4. final answer = 21

User Yoshinobu
by
4.5k points
0 votes
the answer is 21

first plug in the x value
2(-3)^2 +3
then square that value, -3 squared is 9
2(9)+3
then multiply 2 and 9 to get 18
18+3
add the two numbers together
21
User Jkrevis
by
4.0k points