Question

2x²-32=0 qual a resposta?

Answer 1

2x² - 32 = 0

2x² = 32
x² = 32/2
x² = 16
x = ± √16
x = ± 4

Answer 2

2x² - 32 = 0
2x² = 32
x² = 32/2
x² = 16
x = ± √16
x = ± √4²
x = ± 4

x' = 4, x'' = - 4