Question

solucao de 2x ao quadrado igual a 50

Answer 1

$2 x^{2} =50$

$x^{2} = \frac{50}{2}$

$x^{2} =25$

$x_{1,2} = \± \sqrt{25}$

$x_{1,2} = \± 5$

Answer 2

2x² = 50
x²= 50/2
x²= 25
x= √25
x= 5