também x2 +2x=0>b=0 e x2 -25=0>=0
-x^2 + 10x - 16 = 0
a = -1
b = 10
c = -16
Delta = b^2 - 4 x a x c
Delta = 10^2 - 4 x -1 x -16
Delta = 100 - 64
Delta = 36
x = -b + ou - Raiz de 36/2 x a
x = -10 + 6/-2
x = -4/-2 x (-1)
x = 2
x = -10 - 6/-2
x = -16/-2 x (-1)
x = 8
n sei
Comments
-x^2 + 10x - 16 = 0
a = -1
b = 10
c = -16
Delta = b^2 - 4 x a x c
Delta = 10^2 - 4 x -1 x -16
Delta = 100 - 64
Delta = 36
x = -b + ou - Raiz de 36/2 x a
x = -10 + 6/-2
x = -4/-2 x (-1)
x = 2
x = -10 - 6/-2
x = -16/-2 x (-1)
x = 8
n sei