Question

ME Ajudem: resolução de:

2x- 1/2 = x ²

Answer 1

2x -1/2 -x2= 0

Delta= b^2 -4.a.c
b= 2
a= -1
c= -1/2

D= 4 -4. (-1). -1/2
D= 4 + 3,5
D= 7,5

X= -b +\- Raiz de delta/2a
X= -2 +\- 2, 738..../ -2

X1= -2 + 2,738.../-2
x1= -0.369

x2= -2 - 2,738/-2
x2= 2.369