mariakol008 mariakol008
  • 23-10-2021
  • Mathematics
contestada

When x=-3 plzzzz help me quick

When x3 plzzzz help me quick class=

Respuesta :

lalaraje41
lalaraje41 lalaraje41
  • 23-10-2021
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
Answer Link
marcus1185
marcus1185 marcus1185
  • 23-10-2021

Answer:

21

Step-by-step 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

Answer Link

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