Respuesta :

(10m + 3) - (4m -2)

Firstly, use the negative sign to open the parenthesis

(10m + 3) -1 x 4m -1 x (-2)

minus x minus = plus

(10m + 3) -4m + 2

10m + 3 - 4m + 2

Collect the like terms

10m - 4m + 3 + 2

m(10-4) + 5

m(6) + 5

6m + 5

The answer is OPTION B