keeganlee292 keeganlee292
  • 13-01-2021
  • Mathematics
contestada

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

Respuesta :

MrRoyal
MrRoyal MrRoyal
  • 18-01-2021

Answer:

[tex]3A + B =2m^2+6m+3[/tex]

Step-by-step explanation:

Given

[tex]A = 2m + 1[/tex]

[tex]B = 2m^2[/tex]

Required

Find [tex]3A + B[/tex]

[tex]3A + B =3(A) + B[/tex]

Substitute values for A and B

[tex]3A + B =3(2m+1) + 2m^2[/tex]

Open bracket

[tex]3A + B =6m+3 + 2m^2[/tex]

Reorder

[tex]3A + B =2m^2+6m+3[/tex]

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