Question

Equaçao de 2 grau
2x2-50=0

Answer 1

Delta= 0^2+4x2x(-50) = 400

X= 0+ ou - 20/4

x1= 0+20/4= 5

x2= 0 -20/4 = -5

Answer 2

2 x² - 50 = 0
2 x² = 50
x² = 50/2
x² = 25
x =√25
x = +ou- 5