161k views
2 votes
Evaluate 2x2 - 1 when x = 3.

2 Answers

4 votes

Answer:11

Step-by-step explanation:2(3)x2-1=11

User David Refoua
by
6.5k points
4 votes

Hello!

2.x^2 - 1 = 2.3^2 - 1 = 2.9 - 1 = 18-1 = 17

Good luck!

User Tony Wickham
by
6.3k points
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