Question

Resolver utilizando a distributiva
A) 2(x+3)-4(x-8)=0
B) 4(x+3)-2(x-3)=4
C)(x+5).(x-8)=8

Answer 1

a) 2x + 6 -4× + 32 =0
-2x +38 =0
-2x=-38
x= 19