kuzuyyinmalek
kuzuyyinmalek kuzuyyinmalek
  • 03-03-2021
  • Mathematics
contestada

Can you help me
4(b–1)²–9​

Respuesta :

Coliver2005
Coliver2005 Coliver2005
  • 03-03-2021

Answer:

(b-1)²-9​

= 4[(b - 1)(b - 1)] - 9

= 4[b² - b - b + 1] - 9

= 4(b² - 2b + 1) - 9

= 4b² - 8b + 4 - 9

= 4b² - 8b - 5

Hope this helps!

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