Question

RESOLVER LOS SIGUIENTES POLINOMIOS
12 -[2 + (-3 – 4)-(-2 + 4)]+ 4

Answer 1

12-[2+(-3-4)-(-2+4)]+4
12-[2+(-7)-(2)]+4
12-[2-7-2]+4
12-[-7]+4
12+7+4
=23

Answer 2

12-[ 2+(-3-4)-(-2+4)] +4
12-[ 2+(-7) - (2)]+4
12-[ 2-7-2] +4
12-[-7] +4
12+7+4
23