Question

2
$2 { \times }^{2} - 50 = 0$

Answer 1

2x^2 - 50 = 0

2x^2 = 50

x^2 = 50/2

x^2 = 25

x = √25

x = +/- 5

R.: x = 5; x = - 5

Answer 2

Vamos lá

Calculo:

2X² - 50 = 0

X² - 50 / 2 = 0

X² - 25 = 0

X² = 0 - 25

X² = 25

X = ± 5

Resposta:

X1 = 5

X2 = - 5