Question

-x^2+x=0, se conseguirem resolver podem explicar cada passo sff?

Answer 1

-X² + X = 0

Δ = 1² -4.(-1)*0
Δ = 1

X = -1 +/- √1²
      -------------
          2.(-1)

X = -1 +/- 1
       ------------
           -2

X' = 0

X'' = -2 / -2 = 1