tatiiidiorr tatiiidiorr
  • 19-09-2022
  • Mathematics
contestada


2a²-2a-15 at a = 13

2a2a15 at a 13 class=

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hope181
hope181 hope181
  • 19-09-2022
The answer should be 297
2(13)^2-2(13)-15=296
Answer Link
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

Answer Link

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