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4 votes
2a²-2a-15 at a = 13

2a²-2a-15 at a = 13-example-1

2 Answers

4 votes

Answer: 297

Explanation:

2a^2 - 2a - 15

sub a = 13

2 * 13^2 - 2 * 13 - 15

2 * 169 - 2 * 13 - 15

338 - 26 - 15

= 297

User Dan Sosedoff
by
3.5k points
3 votes
The answer should be 297
2(13)^2-2(13)-15=296
User Calamar
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3.4k points