luciaaa10 luciaaa10

25-07-2018
Mathematics

contestada

simplify 5m-2(6m-5)+2

a. -7m-8
b. -7m+12
c. 17m+12
d. 17m-8

Respuesta :

st4rgrl st4rgrl

25-07-2018

The answer is B. -7m+12.

First distribute the -2 to 6m and -5.

5m-2(6m-5)+2

5m+(-2*6m)+(-2*-5)+2

5m+-12m+10+2

After that, combine the like terms.

5m+-12m+10+2

-5m+-12m=-7m

10+2=12

The simplified expression is -7m+12.

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