Question

Fórmulas de bhaskara
X (ao quadrado ) + 4x + 4 = 0

Answer 1

x² + 4 x + 4 = 0
Δ = b² - 4 .a .c
Δ = 4² - 4 .1 . 4
Δ = 16 - 16
Δ = 0
\/¨¨0 = 0
x = - b +ou--0/2.1
x = -4+ 0 /2
x = -4/2
x = -2
x = -4 -0 /2
x = -2
S = [ -2,-2}