Question

Faça a operação: 2x+3²+4/5-2=0

Answer 1

2X+9+4/5-2=0
10X+45+4-10=0
10X=-45-4+10
10X=-39
X=-39/10

Answer 2

2x+9+0,8-2=0
2x=-9-0,8+2
2x=-7,8
x=-3,9