Question

1 + 8m, find an expression that equals 3A + B

If A = 2m + 1 and B = 2m2
in standard form.

Answer 1

`3A + B =2m^2+6m+3`

Explanation:

Given

`A = 2m + 1`

`B = 2m^2`

Required

Find
`3A + B`

`3A + B =3(A) + B`

Substitute values for A and B

`3A + B =3(2m+1) + 2m^2`

Open bracket

`3A + B =6m+3 + 2m^2`

Reorder

`3A + B =2m^2+6m+3`