kaylamia2005 kaylamia2005

18-09-2021
Mathematics

contestada

If B = 3m - 5m2 +10 and A = -3 – m, find an expression that equals
2B + 3 A in standard form.

Respuesta :

peytonpennoyer peytonpennoyer

18-09-2021

-5m2+5m+1 is the correct answer

Answer Link

jimthompson5910 jimthompson5910

18-09-2021

Answer: -10m^2 + 3m + 11

Work Shown:

2B + 3A

2(3m - 5m^2 + 10) + 3(-3 - m)

2(3m) + 2(-5m^2) + 2(10) + 3(-3) + 3(-m)

6m - 10m^2 + 20 - 9 - 3m

-10m^2 + 3m + 11

Answer Link

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