Question

encontre o zero das função y= -5x - 5

Answer 1

Boa noite, basta igualar o y a zero.

-5x - 5 = 0
5x = -5
x = -5/5
x = - 1

Answer 2

5x-5=0
5x=5
x=5/5
x=1
logo
5x-5=0
5(1)-5=0
5-5=0
0=0