Question

x + 2 x - 4 x - 3
+
4
2
3
x +1 X-1
12
2.​

Answer 1

Agrupar términos semejantes

=x+2x-4x+423x+1 x-3-1122

Sumar elementos similares x+2x-4x+423x+1 X x=423x

=423x-3-1122

Restar :-3-1122=-1125

RESULTADO:  -3-1122=-1125