nakaiholmanp80qa3 nakaiholmanp80qa3

27-07-2021
Mathematics

contestada

If A = 2m + 1 and B 2m2 - 1 + 8m, find an expression that
equals 3 A + B in standard form.
Please help

Respuesta :

jimrgrant1 jimrgrant1

27-07-2021

Answer:

2m² + 14m + 2

Step-by-step explanation:

3A + B

= 3(2m + 1) + 2m² - 1 + 8m ← distribute parenthesis by 3

= 6m + 3 + 2m² - 1 + 8m ← collect like terms

= 2m² + 14m + 2 ← in standard form

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