Question

x³ - 5 = 3
Qual o valor de x?

Answer 1

Resposta:

x³ - 5 = 3

x³ = 3+5

x³ = 8

x = ³✓8

x = 2

Prova:

2³ - 5 = 3

8 - 5 = 3

3 = 3