Question

Responda:

x(x-5) = -6

Answer 1

Bom dia

x(x-5) = -6

x²-5x+6=0

Δ=(-5)²-4ac

Δ=25-4.1.6

Δ=25-24

Δ=1

x=-b+-√Δ/2a

X=-(-5)+-√1/2.1

X1=5+1/2=3

X2=5-1/2=2

S={3,2}