Question

Equação Exponencial:

Answer 1

2ˣ/2 +2ˣ +2ˣ * 2 -(2ˣ * 2²) +2ˣ * 2³ = 120

2ˣ = u

u/2 +u +2u -4u +8u = 120

u/2 +7u = 120

15u = 120 * 2

u = 240/15

u = 16

2ˣ = u

2ˣ = 16

2ˣ = 2⁴

x = 4