tatiiidiorr tatiiidiorr

19-09-2022
Mathematics

contestada

2a²-2a-15 at a = 13

2a2a15 at a 13 class=

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hope181 hope181

19-09-2022

The answer should be 297
2(13)^2-2(13)-15=296

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paigeypie1000 paigeypie1000

19-09-2022

Answer: 297

Step-by-step explanation:

2a^2 - 2a - 15

sub a = 13

2 * 13^2 - 2 * 13 - 15

2 * 169 - 2 * 13 - 15

338 - 26 - 15

= 297

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