Question

qual o resultado dessa conta?

Answer 1

x^2+ 12x+32=0

a:1  b:12  c:32

Δ = b2 – 4ac

Δ = 12^2 -4.1.32

Δ = 144 - 128

Δ = 16

x = – b ± √Δ

     2·a

x=-12 ± √16/2

x=-12- 4/2

x1=-12-4/2

x1= -16/2 = -8

x2=-12 +4/2

x2=  -8/2 =-4  (MENOR RAIZ)