Respuesta :

Answer:

3m-2

Step-by-step explanation:

Distribute

(10−6)−1(7−4)(10−6)−7+42

Eliminate redundant parentheses

(10−6)−7+410−6−7+43

Add the numbers

10−6−7+410−2−74

Combine like terms

10−2−7

Answer-

3−2