Question

x²+14x=0 equacao incompleta

Answer 1

X²+14x=0

Δ=b²-4ac

Δ=14²-4.1.0

Δ=196-0

Δ=196

x= -b+ou-√Δ

          2a

x= -14+ou-√196

          2a

x1= -14-14 = -28 = -14

          2           2

x2= -14+14= 0 = 0

           2         2

S={-14,0}