kellycarol315 kellycarol315

04-06-2019
Mathematics

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what is the value of the expression when b=5? 4b2 +2b2 - b2+5

Respuesta :

04-06-2019

Combine like terms first.
4b2+2b2-b2= 5b2
5b2 +5
5 x 5^2+5
5 x 25 + 5
125+5
130

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