Question

X²+8x+16=0 baskara alguem me ajuda

Answer 1

x² + 8x + 16 = 0
a = 1; b = 8; c = 16

Δ = b² - 4ac
Δ = 8² - 4.1.16
Δ = 64 - 64
Δ = 0

a = 1; b = 8; c = 16

x = - b +/- √Δ          - 8 +/- √0
      ----------------  = -----------------
            2a                     2.1

x = - 8/2
x = - 4

Resp.: x' = x" = - 4