Question

calcule a soma algebrica a seguir :

a) (+5ab)+ (-8ab)+(+7ab)=


b) (-2x) + (+5y) + (+4x) +(-6y)=​

Answer 1

Explicação passo-a-passo:

a) (+5ab)+(-8ab)+(+7ab)=

5ab-8ab+7ab=4ab

b)(-2x)+(+5y)+(+4x)+(-6y)=

-2x+5y+4x-6y=

2x-1y